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发明名称
Frictional resistance test apparatus
摘要
申请公布号
US2344331(A)
申请公布日期
1944.03.14
申请号
US19410407992
申请日期
1941.08.22
申请人
HYDRAULIC BRAKE COMPANY
发明人
SWIFT JOHN FREDERICK;MILLER RAYMOND J.
分类号
G01N19/02
主分类号
G01N19/02
代理机构
代理人
主权项
地址
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