Method and composition for treating metals,申请号US19410395206-传众专利搜索

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发明名称	Method and composition for treating metals
摘要
申请公布号	US2302643(A)	申请公布日期	1942.11.17
申请号	US19410395206	申请日期	1941.05.26
申请人	PARKER RUST PROOF COMPANY	发明人	THOMPSON JOHN S.
分类号	C23C22/48	主分类号	C23C22/48
代理机构		代理人
主权项
地址

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