Аппарат для добычи золота из россыпей,申请号SU19300068696-传众专利搜索

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发明名称	Аппарат для добычи золота из россыпей
摘要
申请公布号	SU30247(A1)	申请公布日期	1933.05.31
申请号	SU19300068696	申请日期	1930.04.21
申请人	TRYAPITSIN P.E.	发明人	TRYAPITSIN P.E.
分类号	E21C47/00;B03C1/22	主分类号	E21C47/00
代理机构		代理人
主权项
地址

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