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GB/T596-1983船用外螺纹青铜截止止回阀
GB/T596-1983船用外螺纹青铜截止止回阀 Marine bronze male thread stop ch...
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GB/1241-1983船用外螺纹锻钢截止止回阀
GB/1241-1983船用外螺纹锻钢截止止回阀 Marine forged steel male thread s...
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船用法兰铸铁单排吸入截止阀箱、截止止回阀箱
GB/T1854-1993船用法兰铸铁单排吸入截止阀箱 Marine flanged cast Iron sin...
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船用法兰铸钢直角式舷侧截止止回阀
GB/T1853-1994船用法兰铸钢舷侧截止止回阀 Marine flanged cast steel over...
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船用法兰铸钢直通型舷侧截止止回阀
GB/T1853-1994船用法兰铸钢舷侧截止止回阀 Marine flanged cast steel over...
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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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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 ...
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船用法兰直通型铸铁截止阀
GB/T590-1993船用法兰铸铁 截止阀 Marine Cast Lron Flanged Stop Valves G...
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船用法兰直通型铸铁截止阀、船用截止止回阀
GB/T590-1993船用法兰铸铁截止阀 Marine Cast Lron Flanged Stop Valves GB...
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船用法兰式直角型青铜截止阀、截止止回阀
GB/T587-1993船用法兰青铜截止阀 Marine Bronze Flanged Stop Valves GB/T5...
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