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经营范围
发明名称
FRICTION UNIT OF FOUR-BALL FRICTION TESTING MACHINE
摘要
申请公布号
SU1462161(A1)
申请公布日期
1989.02.28
申请号
SU19874177378
申请日期
1987.01.09
申请人
NOVGORODSKIJ POLT INSTITUT
发明人
POPOV VLADIMIR A,SU;GLUSHENKOV ALEKSANDR P,SU
分类号
G01N3/56
主分类号
G01N3/56
代理机构
代理人
主权项
地址
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