Process of producing a purified protective atmosphere,申请号US19390300379-传众专利搜索

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发明名称	Process of producing a purified protective atmosphere
摘要
申请公布号	US2276690(A)	申请公布日期	1942.03.17
申请号	US19390300379	申请日期	1939.10.20
申请人	WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY	发明人	GERMANY JAMES H.
分类号	C21D1/76	主分类号	C21D1/76
代理机构		代理人
主权项
地址

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