Drehtischantrieb fuer Tiefbohrungen,申请号DE1933E044918D-传众专利搜索

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发明名称	Drehtischantrieb fuer Tiefbohrungen
摘要
申请公布号	DE617834(C)	申请公布日期	1935.08.27
申请号	DE1933E044918D	申请日期	1933.11.21
申请人	EISENWERK WUELFEL	发明人
分类号	E21B3/04	主分类号	E21B3/04
代理机构		代理人
主权项
地址

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