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发明名称
Postage metering system
摘要
申请公布号
US3255439(A)
申请公布日期
1966.06.07
申请号
US19620243209
申请日期
1962.12.05
申请人
GENERAL RESEARCH, INC.
发明人
SIMJIAN LUTHER G.
分类号
G06Q30/00;G07B17/00
主分类号
G06Q30/00
代理机构
代理人
主权项
地址
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