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发明名称
MEASURING INSTRUMENT FOR UPPER*LOWER SURFACEEDIRECTIONAL PRESSURE OF PISTON RING
摘要
申请公布号
JPS5654325(A)
申请公布日期
1981.05.14
申请号
JP19790129504
申请日期
1979.10.09
申请人
NIPPON PISTON RING CO LTD
发明人
TATEISHI YUKIO
分类号
G01L5/00
主分类号
G01L5/00
代理机构
代理人
主权项
地址
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