JET ACTION DITCH CLEANER,申请号SU19884383606-传众专利搜索

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发明名称	JET ACTION DITCH CLEANER
摘要
申请公布号	SU1647087(A2)	申请公布日期	1991.05.07
申请号	SU19884383606	申请日期	1988.02.23
申请人	VNII GIDROTEKH MELIORAT	发明人	ZHESTKOV ANATOLIJ A,SU
分类号	E02F5/02	主分类号	E02F5/02
代理机构		代理人
主权项
地址

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