Improvements relating to pressure butt welding,申请号GB19510004906-传众专利搜索

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发明名称	Improvements relating to pressure butt welding
摘要
申请公布号	GB702069(A)	申请公布日期	1954.01.06
申请号	GB19510004906	申请日期	1951.02.28
申请人	THE OHIO CRANKSHAFT COMPANY	发明人
分类号	B23K11/14	主分类号	B23K11/14
代理机构		代理人
主权项
地址

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