Apparatus for welding pipe lines,申请号US19610145307-传众专利搜索

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发明名称	Apparatus for welding pipe lines
摘要
申请公布号	US3196245(A)	申请公布日期	1965.07.20
申请号	US19610145307	申请日期	1961.10.16
申请人	ESSO RESEARCH AND ENGINEERING COMPANY	发明人	NELSON JEROME W.;FAULKNER GLENN E.;COOK HARRY C.
分类号	B23K9/028	主分类号	B23K9/028
代理机构		代理人
主权项
地址

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