METHOD FOR MAINTAINING NITRIDING ATMOSPHERE,申请号USD3684590-传众专利搜索

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发明名称	METHOD FOR MAINTAINING NITRIDING ATMOSPHERE
摘要
申请公布号	US3684590(A)	申请公布日期	1972.08.15
申请号	USD3684590	申请日期	1971.02.08
申请人	UNITED STATES STEEL CORP.	发明人	HARRY H. PODGURSKI
分类号	C23C8/26;(IPC1-7):C23C11/16	主分类号	C23C8/26
代理机构		代理人
主权项
地址

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