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发明名称
Improved postage stamp-examining appliance
摘要
申请公布号
GB828744(A)
申请公布日期
1960.02.24
申请号
GB19570022175
申请日期
1957.07.12
申请人
ALEXANDER SUTER
发明人
分类号
G02B25/00
主分类号
G02B25/00
代理机构
代理人
主权项
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