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发明名称
Electrical printing type
摘要
申请公布号
US2486985(A)
申请公布日期
1949.11.01
申请号
US19450621499
申请日期
1945.10.10
申请人
MARTIN RUDERFER
发明人
RUDERFER MARTIN
分类号
B41J2/425
主分类号
B41J2/425
代理机构
代理人
主权项
地址
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