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发明名称
Copy holder for typewriters and office machines
摘要
申请公布号
US2128304(A)
申请公布日期
1938.08.30
申请号
US19360104089
申请日期
1936.10.05
申请人
PAUL KOBLER
发明人
KOBLER PAUL
分类号
B41J29/15
主分类号
B41J29/15
代理机构
代理人
主权项
地址
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