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发明名称
Lock for typewriter desks
摘要
申请公布号
US2656234(A)
申请公布日期
1953.10.20
申请号
US19490118530
申请日期
1949.09.29
申请人
KOCH CLARENCE W
发明人
KOCH CLARENCE W.
分类号
A47B21/02;B41J29/06
主分类号
A47B21/02
代理机构
代理人
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