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发明名称
Memorandum calendar or the like
摘要
申请公布号
US2061492(A)
申请公布日期
1936.11.17
申请号
US19360080521
申请日期
1936.05.19
申请人
THE OHIO ART CO.
发明人
TOLMAN HUGH H.
分类号
B42D5/04
主分类号
B42D5/04
代理机构
代理人
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