Process of annealing and heat treating cast iron,申请号US19250068172-传众专利搜索

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发明名称	Process of annealing and heat treating cast iron
摘要
申请公布号	US1803340(A)	申请公布日期	1931.05.05
申请号	US19250068172	申请日期	1925.11.10
申请人	MENOUGH PAUL S	发明人	MENOUGH PAUL S.
分类号		主分类号
代理机构		代理人
主权项
地址

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