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发明名称
Device for measuring pitch diameter of screws, bolts, and the like
摘要
申请公布号
US2663948(A)
申请公布日期
1953.12.29
申请号
US19520323637
申请日期
1952.12.02
申请人
SCULLY LAWRENCE J
发明人
SCULLY LAWRENCE J.
分类号
G01B3/36;G01B3/40
主分类号
G01B3/36
代理机构
代理人
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