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经营范围
发明名称
Improvements in or relating to rotary duplicators
摘要
申请公布号
GB520381(A)
申请公布日期
1940.04.23
申请号
GB19380030013
申请日期
1938.10.17
申请人
WILHELM RITZERFELD
发明人
分类号
B65H29/20
主分类号
B65H29/20
代理机构
代理人
主权项
地址
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