Improvements in devices for boring conical sockets in wood,申请号GB19350020162-传众专利搜索

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发明名称	Improvements in devices for boring conical sockets in wood
摘要
申请公布号	GB437515(A)	申请公布日期	1935.10.30
申请号	GB19350020162	申请日期	1935.07.15
申请人	JOHANNES EGGEMANN	发明人
分类号	A63D15/20;B23B51/00	主分类号	A63D15/20
代理机构		代理人
主权项
地址

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