SPACER-EXPANDER FOR COMBINATION OIL RING,申请号JP19910162225-传众专利搜索

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发明名称	SPACER-EXPANDER FOR COMBINATION OIL RING
摘要
申请公布号	JPH04362369(A)	申请公布日期	1992.12.15
申请号	JP19910162225	申请日期	1991.06.06
申请人	TEIKOKU PISTON RING CO LTD	发明人	ISHIDA MASAO
分类号	F02F5/00;F16J9/06	主分类号	F02F5/00
代理机构		代理人
主权项
地址

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