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发明名称
Marking panel
摘要
申请公布号
US1845558(A)
申请公布日期
1932.02.16
申请号
US19300494340
申请日期
1930.11.08
申请人
PRECISION ELECTROTYPE COMPANY
发明人
RICH NEVILLE J.
分类号
G09F7/00
主分类号
G09F7/00
代理机构
代理人
主权项
地址
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