APPARATUS AND METHOD FOR ATTACHING A WORKING DEVICE TO AN OXYGEN LANCE,申请号USD3550923-传众专利搜索

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发明名称	APPARATUS AND METHOD FOR ATTACHING A WORKING DEVICE TO AN OXYGEN LANCE
摘要
申请公布号	US3550923(A)	申请公布日期	1970.12.29
申请号	USD3550923	申请日期	1968.10.03
申请人	BETHLEHEM STEEL CORP.	发明人	ROGER T. BOOS
分类号	C21C5/46;(IPC1-7):C21C7/00	主分类号	C21C5/46
代理机构		代理人
主权项
地址

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