SHAFT INFLATABLE COFFERDAM,申请号SU19894700060-传众专利搜索

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发明名称	SHAFT INFLATABLE COFFERDAM
摘要
申请公布号	SU1687798(A1)	申请公布日期	1991.10.30
申请号	SU19894700060	申请日期	1989.06.02
申请人	DO POLT INSTITUT	发明人	CHISTYUKHIN VYACHESLAV V,SU;SUKHORUKOV VIKTOR P,SU;PRIVALOV NIKITA I,SU;LYUBARSKIJ BORIS S,SU;KOVALCHUK YURIJ V,SU
分类号	E21F5/00	主分类号	E21F5/00
代理机构		代理人
主权项
地址

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