GATE PUMP WITHOUT CHECK-VALVE,申请号JP19900247535-传众专利搜索

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发明名称	GATE PUMP WITHOUT CHECK-VALVE
摘要
申请公布号	JPH04128412(A)	申请公布日期	1992.04.28
申请号	JP19900247535	申请日期	1990.09.19
申请人	HITACHI LTD	发明人	MATSUBARA KAZUHIKO;MARU SABURO
分类号	E02B7/26;F04D13/08	主分类号	E02B7/26
代理机构		代理人
主权项
地址

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