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经营范围
发明名称
Token control mechanism
摘要
申请公布号
US2319541(A)
申请公布日期
1943.05.18
申请号
US19400316795
申请日期
1940.02.01
申请人
PEREY MANUFACTURING COMPANY, INC.
发明人
GERSBACH HERBERT A.
分类号
G07F1/06;G07F17/14
主分类号
G07F1/06
代理机构
代理人
主权项
地址
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