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发明名称
Support for rotary files
摘要
申请公布号
US2778592(A)
申请公布日期
1957.01.22
申请号
US19520282540
申请日期
1952.04.16
申请人
WHEELDEX MANUFACTURING CO., INC.
发明人
SCHOLFIELD RICHARD P.
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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