OPENING AND CLOSING MECHANISM OF DISCHARGE VALVE IN GROUND IMPROVING AGENT INJECTOR,申请号JP19870175725-传众专利搜索

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发明名称	OPENING AND CLOSING MECHANISM OF DISCHARGE VALVE IN GROUND IMPROVING AGENT INJECTOR
摘要
申请公布号	JPS6417918(A)	申请公布日期	1989.01.20
申请号	JP19870175725	申请日期	1987.07.13
申请人	HARA MITSUO	发明人	HARA MITSUO
分类号	E02D3/12	主分类号	E02D3/12
代理机构		代理人
主权项
地址

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