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发明名称
Internal thread gauge
摘要
申请公布号
US2249611(A)
申请公布日期
1941.07.15
申请号
US19390255281
申请日期
1939.02.08
申请人
NILES-BEMENT-POND COMPANY
发明人
JOHNSON STANLEY G.
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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