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发明名称
Improved apparatus for testing friction
摘要
申请公布号
GB562480(A)
申请公布日期
1944.07.04
申请号
GB19420016840
申请日期
1942.11.27
申请人
WILLIAM WALKER AND SONS LIMITED;FREDERIC HAUSMANN
发明人
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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