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蝸輪船用碳鋼雙偏心蝶閥
GB/T3037-1994雙偏心蝶閥 Double Eccentric butterfly valve 主要零部件材...
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液動對夾式中線碳鋼蝶閥
GB/T3036-1994對夾式中線蝶閥 Butt-clamped Marine butterfly valve 主要零...
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液動對夾式中線青銅蝶閥
GB/T3036-1994對夾式中線蝶閥 Butt-clamped Marine butterfly valve 主要零...
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氣動對夾式中線鑄鐵蝶閥
GB/T3036-1994對夾式中線蝶閥 Butt-clamped Marine butterfly valve 主要零...
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螺旋式對夾式中線碳鋼蝶閥
GB/T3036-1994對夾式中線蝶閥 Butt-clamped Marine butterfly valve 主要零...
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蝸輪對夾式中線船用青銅蝶閥
GB/T3036-1994對夾式中線蝶閥 Butt-clamped Marine butterfly valve 主要零...
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螺旋式對夾式中線不銹鋼蝶閥
GB/T3036-1994對夾式中線蝶閥 Butt-clamped Marine butterfly valve 主要零...
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外螺紋直通型青銅船用截止閥
GB/T595-1983船用外螺紋青銅截止閥 Marine bronze male thread stop valve ...
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外螺紋直通型鍛鋼船用截止閥
GB/T594-1983船用外螺紋鍛鋼截止閥 Marine forged steel male thread stop ...
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手柄對夾式中線船用青銅蝶閥
GB/T3036-1994對夾式中線蝶閥 Butt-clamped Marine butterfly valve 主要零...
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外螺紋直角型青銅船用截止閥
GB/T595-1983船用外螺紋青銅截止閥 Marine bronze male thread stop valve ...
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外螺紋直角型鍛鋼船用截止閥
GB/T594-1983船用外螺紋鍛鋼截止閥 Marine forged steel male thread stop ...


