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发明名称
Apparatus for determining abrasion resistance
摘要
申请公布号
US2799155(A)
申请公布日期
1957.07.16
申请号
US19540433226
申请日期
1954.05.28
申请人
THE B. F. GOODRICH COMPANY
发明人
NEWTON EDWIN B.;SEARS DANIEL S.
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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