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经营范围
发明名称
Improvements in methods of producing and reproducing illustrative drawings or plans
摘要
申请公布号
GB421347(A)
申请公布日期
1934.12.19
申请号
GB19330020503
申请日期
1933.07.20
申请人
CLAUDE WILLIAM HISCOCKS
发明人
分类号
G09F19/10
主分类号
G09F19/10
代理机构
代理人
主权项
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