Wasserriegeltor zur Herabminderung der Auswirkungen von Grubenexplosionen,申请号DED586731D-传众专利搜索

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发明名称	Wasserriegeltor zur Herabminderung der Auswirkungen von Grubenexplosionen
摘要
申请公布号	DE586731(C)	申请公布日期	1933.10.25
申请号	DED586731D	申请日期	1930.06.12
申请人	JULIUS WUESTENHOEFER	发明人
分类号	E21F5/00	主分类号	E21F5/00
代理机构		代理人
主权项
地址

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