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经营范围
发明名称
ROLLING FRICTION TESTING DEVICE
摘要
申请公布号
JPH03107741(A)
申请公布日期
1991.05.08
申请号
JP19890245734
申请日期
1989.09.21
申请人
KOYO SEIKO CO LTD
发明人
KAWAGUCHI ITARU;YASUI KEIGO;ROKKAKU KAZUO;TAKEBAYASHI HIROAKI
分类号
G01M13/04;G01N3/56
主分类号
G01M13/04
代理机构
代理人
主权项
地址
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