COMPOUND TYPE VALVE SEAT AND ITS MANUFACTURE,申请号JP19910010054-传众专利搜索

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发明名称	COMPOUND TYPE VALVE SEAT AND ITS MANUFACTURE
摘要
申请公布号	JPH04308308(A)	申请公布日期	1992.10.30
申请号	JP19910010054	申请日期	1991.01.30
申请人	NIPPON PISTON RING CO LTD	发明人	KAWAMURA OSAMU;EGAMI YASUKICHI;TAKAHASHI TERUO
分类号	F01L3/02	主分类号	F01L3/02
代理机构		代理人
主权项
地址

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