Затвор к нагревательным или плавильным печам,申请号SU19330128535-传众专利搜索

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发明名称	Затвор к нагревательным или плавильным печам
摘要
申请公布号	SU39153(A1)	申请公布日期	1934.10.31
申请号	SU19330128535	申请日期	1933.05.12
申请人	KOKH E.G.	发明人	KOKH E.G.
分类号	F27D1/18;F27D21/00	主分类号	F27D1/18
代理机构		代理人
主权项
地址

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