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发明名称
MEASURING BALL
摘要
申请公布号
JPS63216583(A)
申请公布日期
1988.09.08
申请号
JP19870050983
申请日期
1987.03.05
申请人
INOUE TSUTOMU
发明人
INOUE TSUTOMU
分类号
A63B43/00;G01P3/64
主分类号
A63B43/00
代理机构
代理人
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