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发明名称
Apparatus for making blueprints
摘要
申请公布号
US2024678(A)
申请公布日期
1935.12.17
申请号
US19330666192
申请日期
1933.04.14
申请人
THE C. F. PEASE COMPANY
发明人
BRUNK HAROLD J.
分类号
G03B27/22
主分类号
G03B27/22
代理机构
代理人
主权项
地址
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