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发明名称
A method of reproducing drawings and pictures
摘要
申请公布号
GB877213(A)
申请公布日期
1961.09.13
申请号
GB19570028157
申请日期
1957.09.06
申请人
WILFRED ERIC BENTON
发明人
分类号
B41C1/02;B41L7/00
主分类号
B41C1/02
代理机构
代理人
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