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发明名称
Lettering scriber
摘要
申请公布号
US3127679(A)
申请公布日期
1964.04.07
申请号
US19600079473
申请日期
1960.12.29
申请人
CROOK DAVID K
发明人
CROOK DAVID K.
分类号
B44B3/00
主分类号
B44B3/00
代理机构
代理人
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