New type of land melioration gate with hydraulic self-adjustment,申请号PL20040369473-传众专利搜索

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发明名称	New type of land melioration gate with hydraulic self-adjustment
摘要
申请公布号	PL369473(A1)	申请公布日期	2006.02.20
申请号	PL20040369473	申请日期	2004.08.09
申请人	INSTYTUT MELIORACJI I UZYTKOW ZIELONYCH	发明人	DRUPKA STANISLAW
分类号	E02B13/02	主分类号	E02B13/02
代理机构		代理人
主权项
地址

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