PROCESS FOR ETCHING INNER SURFACE OF PIPE OR TUBE,申请号US19750620230-传众专利搜索

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发明名称	PROCESS FOR ETCHING INNER SURFACE OF PIPE OR TUBE
摘要
申请公布号	US4056428(A)	申请公布日期	1977.11.01
申请号	US19750620230	申请日期	1975.10.06
申请人	KOBE STEEL, LTD.	发明人	HARADA, NOBUHIKO;TANAKA, MINETAKA;SHIMANO, MASANAO;FUJINAGA, KYOZO;NUNOMURA, KUNITO;TAMURA, MASAMITU;NAKAMURA, SHIGEHARU;AKAGI, KAZUO
分类号	C23F1/00;C23F1/08;C23G3/04;(IPC1-7):C23F1/00	主分类号	C23F1/00
代理机构		代理人
主权项
地址

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