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发明名称
Desk memorandum device
摘要
申请公布号
US1875146(A)
申请公布日期
1932.08.30
申请号
US19270168299
申请日期
1927.02.15
申请人
W. O. THOMPSON
发明人
RANDOLPH GUY P.
分类号
B42D19/00
主分类号
B42D19/00
代理机构
代理人
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