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摘要
申请公布号
US2068512(A)
申请公布日期
1937.01.19
申请号
US19330690117
申请日期
1933.09.19
申请人
THE RANDALL COMPANY
发明人
RANDALL HOWARD D.
分类号
B41J29/15
主分类号
B41J29/15
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代理人
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