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发明名称
Cover construction
摘要
申请公布号
US2639168(A)
申请公布日期
1953.05.19
申请号
US19500185568
申请日期
1950.09.19
申请人
DAYTON EMBOSSED PRODUCTS CORPORATION
发明人
COPPOCK FRANKLIN E.
分类号
B42D3/02
主分类号
B42D3/02
代理机构
代理人
主权项
地址
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