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发明名称
Notebook
摘要
申请公布号
US2251780(A)
申请公布日期
1941.08.05
申请号
US19400356454
申请日期
1940.09.12
申请人
THE LAKESIDE-CENTRAL COMPANY
发明人
CANNING GEORGE A.
分类号
B42D5/00
主分类号
B42D5/00
代理机构
代理人
主权项
地址
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