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发明名称
Improved device for use in copying drawings, pictures or other objects
摘要
申请公布号
GB600126(A)
申请公布日期
1948.04.01
申请号
GB19450025149
申请日期
1945.09.27
申请人
RICHARD WILKINSON
发明人
分类号
B05C17/06;B44B1/06
主分类号
B05C17/06
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代理人
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