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发明名称
IMPROVEMENT OF AIRTIGHTNESS FOR ROTARY VALVE
摘要
申请公布号
JPH116409(A)
申请公布日期
1999.01.12
申请号
JP19970209553
申请日期
1997.06.17
申请人
NAKADA OSAMU
发明人
NAKADA OSAMU
分类号
F01L7/02;F01L7/16;(IPC1-7):F01L7/16
主分类号
F01L7/02
代理机构
代理人
主权项
地址
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