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发明名称
Manufacturing of tokens for token operated distributing machines
摘要
申请公布号
US2957258(A)
申请公布日期
1960.10.25
申请号
US19570657118
申请日期
1957.05.06
申请人
HARRY WHITEFIELD;ATTILIO CHIANTELASSA
发明人
WHITEFIELD HARRY;CHIANTELASSA ATTILIO
分类号
G07F1/06
主分类号
G07F1/06
代理机构
代理人
主权项
地址
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