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发明名称
Ink drying means for stock quotation projecting machines
摘要
申请公布号
US2108052(A)
申请公布日期
1938.02.15
申请号
US19290390372
申请日期
1929.09.04
申请人
NEWS PROJECTION CORPORATION
发明人
EITZEN AUGUST D.
分类号
G03B21/134
主分类号
G03B21/134
代理机构
代理人
主权项
地址
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