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发明名称
Apparatus for facilitating drawing in perspective
摘要
申请公布号
GB360730(A)
申请公布日期
1931.11.12
申请号
GB19300038756
申请日期
1930.12.23
申请人
LUIGI BORDIGA
发明人
分类号
B43L13/14
主分类号
B43L13/14
代理机构
代理人
主权项
地址
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