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经营范围
发明名称
Correspondence filing mechanism
摘要
申请公布号
US2826203(A)
申请公布日期
1958.03.11
申请号
US19540409996
申请日期
1954.02.12
申请人
GEORGENE PARKIN WASSELL
发明人
WASSELL FRANK LLOYD
分类号
B42F17/28
主分类号
B42F17/28
代理机构
代理人
主权项
地址
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