Нагревательное устройство для отжига сварных швов труб,申请号SU19460347728-传众专利搜索

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发明名称	Нагревательное устройство для отжига сварных швов труб
摘要
申请公布号	SU72460(A1)	申请公布日期	1947.11.30
申请号	SU19460347728	申请日期	1946.08.12
申请人	GRANZHAN V.B.;MOLCHANOV A.S.	发明人	GRANZHAN V.B.;MOLCHANOV A.S.
分类号	C21D9/50;C21D9/08	主分类号	C21D9/50
代理机构		代理人
主权项
地址

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