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发明名称
Improvements in mechanism for controlling the changing of the numbers in rotary number boxes on number printing machines
摘要
申请公布号
GB506264(A)
申请公布日期
1939.05.22
申请号
GB19370032132
申请日期
1937.11.22
申请人
FREDERICK RANDOLPH MARTIN
发明人
分类号
B41K3/12
主分类号
B41K3/12
代理机构
代理人
主权项
地址
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