APPARATUS FOR WELDING INTERNAL ANNULAR JOINTS,申请号SU19772445368-传众专利搜索

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发明名称	APPARATUS FOR WELDING INTERNAL ANNULAR JOINTS
摘要
申请公布号	SU656779(A1)	申请公布日期	1979.04.15
申请号	SU19772445368	申请日期	1977.01.21
申请人	ZELENIN VLADIMIR A,SU;YAVNO EDUARD ,SU	发明人	ZELENIN VLADIMIR A,SU;YAVNO EDUARD ,SU
分类号	B23K37/02;(IPC1-7):B23K31/06	主分类号	B23K37/02
代理机构		代理人
主权项
地址

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