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发明名称
Foldable copy stand for portable typewriters
摘要
申请公布号
US1784253(A)
申请公布日期
1930.12.09
申请号
US19300482656
申请日期
1930.09.18
申请人
PETER SCHANO
发明人
SCHANO PETER
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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