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发明名称
Printing mechanism
摘要
申请公布号
US2307033(A)
申请公布日期
1943.01.05
申请号
US19400321442
申请日期
1940.02.29
申请人
FREEDMAN BENJAMIN H
发明人
FREEDMAN BENJAMIN H.
分类号
B41K3/08
主分类号
B41K3/08
代理机构
代理人
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地址
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