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发明名称
Ribbon guide for typewriters or like machines
摘要
申请公布号
US2442244(A)
申请公布日期
1948.05.25
申请号
US19460666744
申请日期
1946.05.02
申请人
ROYAL TYPEWRITER COMPANY, INC.
发明人
MYERS LEWIS C.;GRAEPEL WILLIAM
分类号
B41J35/04
主分类号
B41J35/04
代理机构
代理人
主权项
地址
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