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发明名称
Scribing gauge
摘要
申请公布号
US2659981(A)
申请公布日期
1953.11.24
申请号
US19510241587
申请日期
1951.08.13
申请人
BECKHAM JEFFERSON R
发明人
BECKHAM JEFFERSON R.
分类号
B25H7/00
主分类号
B25H7/00
代理机构
代理人
主权项
地址
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