GB/T3757-2008卡套式过板焊接管接头
本标准产品适用于船舶蒸汽管路GB/T3757-2008卡套式过板焊接管接头

GB3733.1-83,GB3733.2-83GB3733-2008,GB3734.1-83
GB3734.2-83GB3734-2008,GB3735.1-83,GB3735.2-83GB3735-2008
GB3736.1-83,GB3736.2-83GB3736-2008,GB3737.1-83
GB3737.2-83GB3737-2008,GB3738.1-83,GB3738.2-83 GB3738-2008
GB3739.1-83,GB3739.2-83 GB3739-2008,GB3740.1-83
GB3740.2-83 GB3740-2008,GB3741.1-83,GB3741-2008 GB3742.1-83
GB3742.2-83 GB3742-2008,GB3743.1-83,GB3743.2-83 GB3743-2008
GB3744.1-83,GB3744.2-83 GB3744-2008,GB3745.1-83
GB3745.2-83 GB3745-2008,GB3746.1-83,GB3746.2-83 GB3746-2008