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发明名称
Thread gauge
摘要
申请公布号
US2528431(A)
申请公布日期
1950.10.31
申请号
US19480020950
申请日期
1948.04.14
申请人
HERMAN GREENBERG
发明人
GREENBERG HERMAN
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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