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DJ61Y-25Pֹy

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ANSI   B16.34API  602

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1  в׳ߴ磺ANSI  B16.11JIS  B2306

2  ݼy˳ߴ磺ANSI B1.20.1JIS  B0203BS21JSO  7/1

3yTzԇ򞣺API  598JB/T7749-95QJ/DF02.003-89

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