IMPROVEMENT OF AIRTIGHTNESS OF ROTARY VALVE,申请号JP19970230171-传众专利搜索

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发明名称	IMPROVEMENT OF AIRTIGHTNESS OF ROTARY VALVE
摘要
申请公布号	JPH1122430(A)	申请公布日期	1999.01.26
申请号	JP19970230171	申请日期	1997.07.07
申请人	NAKADA OSAMU	发明人	NAKADA OSAMU
分类号	F01L7/16;(IPC1-7):F01L7/16	主分类号	F01L7/16
代理机构		代理人
主权项
地址

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