Electrolytic etching apparatus and method for marking metal tubes with sequential identification numbers,申请号US19890340199-传众专利搜索

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发明名称	Electrolytic etching apparatus and method for marking metal tubes with sequential identification numbers
摘要
申请公布号	US4944856(A)	申请公布日期	1990.07.31
申请号	US19890340199	申请日期	1989.04.19
申请人	WESTINGHOUSE ELECTRIC CORP.	发明人	CATANESE, JOHN A.;SAUNDERS, SUSAN R.
分类号	G21C3/06;B23H9/06;C25F3/14;C25F7/00	主分类号	G21C3/06
代理机构		代理人
主权项
地址

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