SUCTION DREDGE EARTH-INTAKE,申请号SU19772555470-传众专利搜索

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发明名称	SUCTION DREDGE EARTH-INTAKE
摘要
申请公布号	SU749993(A1)	申请公布日期	1980.07.23
申请号	SU19772555470	申请日期	1977.12.16
申请人	SMIRNOV ALEKSANDR V,SU;PAKHNEV GRADISLAV S,SU	发明人	SMIRNOV ALEKSANDR V,SU;PAKHNEV GRADISLAV S,SU
分类号	E02F3/92;(IPC1-7):E02F3/92	主分类号	E02F3/92
代理机构		代理人
主权项
地址

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