DREDGE,申请号SU19874347882-传众专利搜索

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发明名称	DREDGE
摘要
申请公布号	SU1521875(A1)	申请公布日期	1989.11.15
申请号	SU19874347882	申请日期	1987.12.22
申请人	CHITINSKIJ POLT INSTITUT	发明人	KOSTROMIN MIKHAIL V,SU;ZIMBOVSKIJ ANDREJ N,SU
分类号	E21C45/00;E02F3/88	主分类号	E21C45/00
代理机构		代理人
主权项
地址

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