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发明名称
Method for marking period cards such as weekly or monthly period cards for railways,buses or the like and a device for carrying the method into effect
摘要
申请公布号
US2945432(A)
申请公布日期
1960.07.19
申请号
US19570696426
申请日期
1957.11.14
申请人
AB ALMEX
发明人
STAHL NILS EVERT JOHAN;LARSSON OSCAR UNO
分类号
B41K3/44
主分类号
B41K3/44
代理机构
代理人
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