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经营范围
发明名称
Letter conveyor system
摘要
申请公布号
GB776034(A)
申请公布日期
1957.05.29
申请号
GB19550011755
申请日期
1955.04.22
申请人
THE POSTMASTER GENERAL
发明人
分类号
B07C3/08
主分类号
B07C3/08
代理机构
代理人
主权项
地址
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