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发明名称
Restaurant check having phosphorescent area for check total
摘要
申请公布号
US2632116(A)
申请公布日期
1953.03.17
申请号
US19480032106
申请日期
1948.06.10
申请人
BERT DIEM
发明人
DIEM BERT
分类号
B42D15/00;F21V9/16
主分类号
B42D15/00
代理机构
代理人
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