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发明名称
Improvements in and relating to duplicating
摘要
申请公布号
GB386996(A)
申请公布日期
1933.01.23
申请号
GB19310021094
申请日期
1931.07.23
申请人
ARMAND DE WAELE;D. GESTETNER, LIMITED
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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