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发明名称
Screw-thread gauging device
摘要
申请公布号
US2443858(A)
申请公布日期
1948.06.22
申请号
US19450632826
申请日期
1945.12.05
申请人
THE SHEFFIELD CORPORATION
发明人
HUGHES GEORGE W.
分类号
G01B5/16
主分类号
G01B5/16
代理机构
代理人
主权项
地址
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