Pressluftbergeversatzvorrichtung mit Anordnung mehrerer hintereinanderliegender Duesen,申请号DENDATE039897D-传众专利搜索

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发明名称	Pressluftbergeversatzvorrichtung mit Anordnung mehrerer hintereinanderliegender Duesen
摘要
申请公布号	DE502898(C)	申请公布日期	1930.07.18
申请号	DENDATE039897D	申请日期
申请人	ESCHWEILER BERGWERKS-VEREIN;DR. WERNER TRUEMPELMANN;HERMANN KREHL	发明人
分类号	E21F15/10	主分类号	E21F15/10
代理机构		代理人
主权项
地址

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