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发明名称
Improvements relating to tensioning devices for paper feed rolls
摘要
申请公布号
GB495221(A)
申请公布日期
1938.11.09
申请号
GB19370023396
申请日期
1937.08.26
申请人
CHARLES NUNN
发明人
分类号
B65H23/08
主分类号
B65H23/08
代理机构
代理人
主权项
地址
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