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经营范围
发明名称
Platen support and feed roll mechanism
摘要
申请公布号
US2583636(A)
申请公布日期
1952.01.29
申请号
US19490076103
申请日期
1949.02.12
申请人
UNDERWOOD CORPORATION
发明人
DOBSON WILLIAM A.
分类号
B41J13/042
主分类号
B41J13/042
代理机构
代理人
主权项
地址
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