Schachtklappen fuer Wetterschleusen,申请号DE1950G003886-传众专利搜索

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发明名称	Schachtklappen fuer Wetterschleusen
摘要
申请公布号	DE826911(C)	申请公布日期	1952.01.07
申请号	DE1950G003886	申请日期	1950.09.29
申请人	GUTEHOFFNUNGSHUETTE OBERHAUSEN A.G.	发明人	LAERMANN WILLY
分类号	E21F1/16	主分类号	E21F1/16
代理机构		代理人
主权项
地址

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