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经营范围
发明名称
Roughness gage
摘要
申请公布号
US3027759(A)
申请公布日期
1962.04.03
申请号
US19590788470
申请日期
1959.01.22
申请人
JAMES WILLIAM L;SETTERHOLM VANCE C
发明人
JAMES WILLIAM L.;SETTERHOLM VANCE C.
分类号
G01B7/34
主分类号
G01B7/34
代理机构
代理人
主权项
地址
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