Устройство для зарядки горизонтальных и восстающих скважин,申请号SU19570573336-传众专利搜索

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发明名称	Устройство для зарядки горизонтальных и восстающих скважин
摘要
申请公布号	SU112219(A1)	申请公布日期	1957.11.30
申请号	SU19570573336	申请日期	1957.05.21
申请人	VETROV D.S.;SOROKA I.N.	发明人	VETROV D.S.;SOROKA I.N.
分类号	F42D1/08;E21C37/00	主分类号	F42D1/08
代理机构		代理人
主权项
地址

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