Annealing box,申请号US19370159079-传众专利搜索

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发明名称	Annealing box
摘要
申请公布号	US2163937(A)	申请公布日期	1939.06.27
申请号	US19370159079	申请日期	1937.08.14
申请人	PITTSBURGH ANNEALING BOX COMPANY	发明人	DEAHL KENNETH J.
分类号	C21D9/00	主分类号	C21D9/00
代理机构		代理人
主权项
地址

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