Приспособление для удаления пней из под торфососа,申请号SU19290051756-传众专利搜索

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发明名称	Приспособление для удаления пней из под торфососа
摘要
申请公布号	SU16184(A1)	申请公布日期	1930.08.31
申请号	SU19290051756	申请日期	1929.07.25
申请人	DUNAEV B.E.	发明人	DUNAEV B.E.
分类号	E21C49/00	主分类号	E21C49/00
代理机构		代理人
主权项
地址

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