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发明名称
Apparatus for describing and tracing curves
摘要
申请公布号
GB429138(A)
申请公布日期
1935.05.24
申请号
GB19340023266
申请日期
1934.08.11
申请人
ELIA AFRICANO
发明人
分类号
B43L11/00
主分类号
B43L11/00
代理机构
代理人
主权项
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