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发明名称
Follower for file drawers
摘要
申请公布号
US2361829(A)
申请公布日期
1944.10.31
申请号
US19420469645
申请日期
1942.12.21
申请人
BOYNTON & COMPANY
发明人
DREBES FRED C.
分类号
B42F17/02
主分类号
B42F17/02
代理机构
代理人
主权项
地址
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