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发明名称
Improvements in and relating to typewriting machines
摘要
申请公布号
GB491235(A)
申请公布日期
1938.08.25
申请号
GB19360032049
申请日期
1936.11.23
申请人
JOSEPH DESTREE
发明人
分类号
B41J1/32
主分类号
B41J1/32
代理机构
代理人
主权项
地址
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