APPARATUS FOR PRE-WELDING ASSEMBLY OF FLANGED PIPES,申请号SU19864029948-传众专利搜索

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发明名称	APPARATUS FOR PRE-WELDING ASSEMBLY OF FLANGED PIPES
摘要
申请公布号	SU1355424(A1)	申请公布日期	1987.11.30
申请号	SU19864029948	申请日期	1986.01.02
申请人	NOVIKOV SERGEJ V,SU	发明人	NOVIKOV SERGEJ V,SU
分类号	B23K37/04	主分类号	B23K37/04
代理机构		代理人
主权项
地址

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