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发明名称
Printing wheel
摘要
申请公布号
US1826741(A)
申请公布日期
1931.10.13
申请号
US19290339871
申请日期
1929.02.14
申请人
CREED AND COMPANY, LIMITED
发明人
CREED FREDERICK GEORGE
分类号
H04L13/18
主分类号
H04L13/18
代理机构
代理人
主权项
地址
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