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发明名称
Automatic carriage return
摘要
申请公布号
US2812049(A)
申请公布日期
1957.11.05
申请号
US19530391640
申请日期
1953.11.12
申请人
UNDERWOOD CORPORATION
发明人
YAEGER HARRY C.
分类号
B41J19/70
主分类号
B41J19/70
代理机构
代理人
主权项
地址
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