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发明名称
Apparatus for filing sheets of material
摘要
申请公布号
US1764613(A)
申请公布日期
1930.06.17
申请号
US19270203696
申请日期
1927.07.06
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
DONNELLEY EDWARD JOSEPH
分类号
B42F17/18
主分类号
B42F17/18
代理机构
代理人
主权项
地址
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