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发明名称
Casing
摘要
申请公布号
US2225958(A)
申请公布日期
1940.12.24
申请号
US19390262450
申请日期
1939.03.17
申请人
PRONTO FILE CORP., INC.
发明人
MANDEL JACOB
分类号
A47B87/02
主分类号
A47B87/02
代理机构
代理人
主权项
地址
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