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发明名称
Phonetic typewriter of speech
摘要
申请公布号
US2921133(A)
申请公布日期
1960.01.12
申请号
US19580723510
申请日期
1958.03.24
申请人
发明人
KALFAIAN MEGUER V.
分类号
B41B27/00;G10L21/00
主分类号
B41B27/00
代理机构
代理人
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