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发明名称
Engraving apparatus
摘要
申请公布号
US2163271(A)
申请公布日期
1939.06.20
申请号
US19380224986
申请日期
1938.08.15
申请人
H. H. BUGGIE & COMPANY
发明人
COOK EVERETT J.
分类号
B44B3/00
主分类号
B44B3/00
代理机构
代理人
主权项
地址
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