Устройство для сверления отверстий в стенах,申请号SUD57953-传众专利搜索

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发明名称	Устройство для сверления отверстий в стенах
摘要
申请公布号	SU57953(A1)	申请公布日期	1939.11.30
申请号	SUD57953	申请日期	1938.04.22
申请人	LOKTYUKHOV M.G.	发明人	LOKTYUKHOV M.G.
分类号	B28D1/14;E04G21/16	主分类号	B28D1/14
代理机构		代理人
主权项
地址

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