Устройство для размыва грунта под водой,申请号SU19470010069-传众专利搜索

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发明名称	Устройство для размыва грунта под водой
摘要
申请公布号	SU71496(A1)	申请公布日期	1947.11.30
申请号	SU19470010069	申请日期	1947.05.17
申请人	BOBRITSKIJ T.I.	发明人	BOBRITSKIJ T.I.
分类号	E02D17/16;E02F3/88	主分类号	E02D17/16
代理机构		代理人
主权项
地址

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