Grubenstempel,申请号DE1935B171206D-传众专利搜索

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发明名称	Grubenstempel
摘要
申请公布号	DE644704(C)	申请公布日期	1937.05.11
申请号	DE1935B171206D	申请日期	1935.09.28
申请人	WILLY BRAUN	发明人
分类号	E21D15/34	主分类号	E21D15/34
代理机构		代理人
主权项
地址

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