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发明名称
Coded coupon
摘要
申请公布号
US3211470(A)
申请公布日期
1965.10.12
申请号
US19630292286
申请日期
1963.07.02
申请人
GIFT STARS, INC.
发明人
WILSON HOWARD W.
分类号
B42D15/00;G06K19/06;G07F7/02;G09F3/00
主分类号
B42D15/00
代理机构
代理人
主权项
地址
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