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发明名称
Improvements in duplicating machines
摘要
申请公布号
GB602213(A)
申请公布日期
1948.05.21
申请号
GB19450030720
申请日期
1945.11.16
申请人
FRANK RONALD FORD
发明人
分类号
B65H31/20
主分类号
B65H31/20
代理机构
代理人
主权项
地址
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