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发明名称
STRUCTURE OF PISTON RING WITH TRAPEZOIDAL CROSS SECTION
摘要
申请公布号
JPS5530507(A)
申请公布日期
1980.03.04
申请号
JP19780101678
申请日期
1978.08.21
申请人
ARAI PUMP MFG
发明人
ARAI YOSHIO
分类号
F15B15/14;F16J9/10;F16J9/16;F16J9/20
主分类号
F15B15/14
代理机构
代理人
主权项
地址
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