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发明名称
Screw thread analyzer gage
摘要
申请公布号
US2432160(A)
申请公布日期
1947.12.09
申请号
US19430499030
申请日期
1943.08.17
申请人
JOHNSON PAUL W
发明人
JOHNSON PAUL W.
分类号
G01B3/48
主分类号
G01B3/48
代理机构
代理人
主权项
地址
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