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发明名称
Pasteboard printing frame
摘要
申请公布号
US2187381(A)
申请公布日期
1940.01.16
申请号
US19380217675
申请日期
1938.07.06
申请人
JACK LANE
发明人
LANE JACK
分类号
G03B27/28
主分类号
G03B27/28
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代理人
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