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中航大记(Catic-Tai Kee) ●-- 标准
圆形风管的规格、材料 ▲-- 可制造
 
　材料 镀  锌  钢  板 不锈钢板
　料厚(mm)
0.6
0.8
1.0
1.2
1.5
0.5
0.7
　型号
SR
SR2C
SR
SR2C
SR
SR2C
SR
SR2C
SR
SR2C
SR
SR2C
SR
SR2C
　风管名义尺寸
毫米 寸
  3"
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  4"
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  5"
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  6"
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160 7"(177.2)
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180  
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200  
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●
▲
▲
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  8"
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●
▲
▲
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  9"(224)
▲
▲
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●
▲
▲
▲
▲
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250  
▲
▲
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●
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●
▲
▲
▲
▲
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  10"
▲
▲
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●
▲
▲
▲
▲
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●
380  
▲
▲
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●
▲
▲
▲
▲
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300  
▲
▲
●
●
●
●
▲
▲
▲
▲
▲
▲
●
●
  12"
▲
▲
●
●
●
●
▲
▲
▲
▲
▲
▲
●
●
  123/8"
▲
▲
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●
●
●
▲
▲
▲
▲
▲
▲
●
●
  14"
▲
▲
●
●
●
●
▲
▲
▲
▲
▲
▲
●
●
  15"
▲
▲
●
●
●
●
▲
▲
▲
▲
▲
▲
●
●
  400
▲
▲
●
●
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●
▲
▲
▲
▲
▲
▲
●
●
  16"
▲
▲
●
●
●
●
▲
▲
▲
▲
▲
▲
●
●
  173/4"
▲
▲
●
●
●
●
▲
▲
▲
▲
▲
▲
●
●
  18"
▲
▲
●
●
●
●
▲
▲
▲
▲
▲
▲
●
●
  500
▲
▲
●
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●
▲
▲
▲
▲
▲
▲
●
●
  20"
●
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▲
▲
▲
▲
▲
▲
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●
  213/4"
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▲
▲
▲
▲
▲
▲
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  22"
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▲
▲
▲
▲
▲
▲
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●
  24"
●
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●
▲
▲
▲
▲
▲
▲
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●
  243/4"
●
●
●
●
▲
▲
▲
▲
▲
▲
●
●
  26"
●
●
●
●
▲
▲
▲
▲
▲
▲
●
●
  28"
●
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●
▲
▲
▲
▲
▲
▲
●
●
  30"
●
●
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●
▲
▲
▲
▲
▲
▲
●
●
800  
▲
▲
●
●
●
●
▲
▲
▲
▲
●
●
  32"
▲
▲
●
●
●
●
▲
▲
▲
▲
●
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850  
▲
▲
●
●
●
●
▲
▲
  36"
●
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▲
▲
  40"
●
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▲
▲
  44"
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  48"
●
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  52"
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  56"
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  60"
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  80"
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