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发明名称
Desk set
摘要
申请公布号
US1892509(A)
申请公布日期
1932.12.27
申请号
US19270160596
申请日期
1927.01.12
申请人
PEN DESK SET COMPANY
发明人
GUYOT WALTER
分类号
B43M99/00
主分类号
B43M99/00
代理机构
代理人
主权项
地址
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