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发明名称
Typewriter Back-Spacing Mechanism
摘要
申请公布号
GB1153521(A)
申请公布日期
1969.05.29
申请号
GB19660022458
申请日期
1966.05.20
申请人
OLYMPIA WERKE A.G.
发明人
分类号
B41J19/58;B41J19/62
主分类号
B41J19/58
代理机构
代理人
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