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蜗轮船用碳钢双偏心蝶阀
GB/T3037-1994双偏心蝶阀 Double Eccentric butterfly valve 主要零部件材...
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液动对夹式中线碳钢蝶阀
GB/T3036-1994对夹式中线蝶阀 Butt-clamped Marine butterfly valve 主要零...
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液动对夹式中线青铜蝶阀
GB/T3036-1994对夹式中线蝶阀 Butt-clamped Marine butterfly valve 主要零...
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气动对夹式中线铸铁蝶阀
GB/T3036-1994对夹式中线蝶阀 Butt-clamped Marine butterfly valve 主要零...
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螺旋式对夹式中线碳钢蝶阀
GB/T3036-1994对夹式中线蝶阀 Butt-clamped Marine butterfly valve 主要零...
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蜗轮对夹式中线船用青铜蝶阀
GB/T3036-1994对夹式中线蝶阀 Butt-clamped Marine butterfly valve 主要零...
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螺旋式对夹式中线不锈钢蝶阀
GB/T3036-1994对夹式中线蝶阀 Butt-clamped Marine butterfly valve 主要零...
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外螺纹直通型青铜船用截止阀
GB/T595-1983船用外螺纹青铜截止阀 Marine bronze male thread stop valve ...
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外螺纹直通型锻钢船用截止阀
GB/T594-1983船用外螺纹锻钢截止阀 Marine forged steel male thread stop ...
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手柄对夹式中线船用青铜蝶阀
GB/T3036-1994对夹式中线蝶阀 Butt-clamped Marine butterfly valve 主要零...
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外螺纹直角型青铜船用截止阀
GB/T595-1983船用外螺纹青铜截止阀 Marine bronze male thread stop valve ...
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外螺纹直角型锻钢船用截止阀
GB/T594-1983船用外螺纹锻钢截止阀 Marine forged steel male thread stop ...
