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发明名称
Ornamental book covering
摘要
申请公布号
US2246397(A)
申请公布日期
1941.06.17
申请号
US19400323107
申请日期
1940.03.09
申请人
DRITZ-TRAUM COMPANY, INC.
发明人
TRAUM DAVID
分类号
B42D3/06;B42F7/04
主分类号
B42D3/06
代理机构
代理人
主权项
地址
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