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发明名称
Typing machines for arabic group languages
摘要
申请公布号
US2940575(A)
申请公布日期
1960.06.14
申请号
US19570703850
申请日期
1957.12.19
申请人
ROYAL MCBEE CORPORATION
发明人
KHALIL SEYED
分类号
B41J3/01
主分类号
B41J3/01
代理机构
代理人
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地址
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