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发明名称
Stenographic machine
摘要
申请公布号
US2319273(A)
申请公布日期
1943.05.18
申请号
US19390309582
申请日期
1939.12.16
申请人
STENOGRAPHIC MACHINES INC.
发明人
STERLING JOHN G.
分类号
B41J3/26
主分类号
B41J3/26
代理机构
代理人
主权项
地址
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