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发明名称
Improvements in screw-thread gauges
摘要
申请公布号
GB533999(A)
申请公布日期
1941.02.25
申请号
GB19390032351
申请日期
1939.12.16
申请人
COVENTRY GAUGE & TOOL COMPANY LIMITED;STANLEY JAFFA HARLEY;JOHN ERNEST WAINWRIGHT
发明人
分类号
G01B3/48
主分类号
G01B3/48
代理机构
代理人
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