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经营范围
发明名称
Hectograph machines
摘要
申请公布号
GB395329(A)
申请公布日期
1933.07.13
申请号
GB19310027955
申请日期
1931.10.08
申请人
DITTO INCORPORATED
发明人
分类号
B41L9/04
主分类号
B41L9/04
代理机构
代理人
主权项
地址
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