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发明名称
Printing mechanism
摘要
申请公布号
US2162427(A)
申请公布日期
1939.06.13
申请号
US19360075456
申请日期
1936.04.20
申请人
ALBERT FALK DOIG
发明人
FROYD LAWRENCE WILBUR
分类号
B41F31/16
主分类号
B41F31/16
代理机构
代理人
主权项
地址
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