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发明名称
Secondary rack
摘要
申请公布号
US2300674(A)
申请公布日期
1942.11.03
申请号
US19410402226
申请日期
1941.07.12
申请人
SMITHJOHNS, INC.
发明人
JOHNS GEORGE MCD.;RICHARDS THOMAS T.
分类号
H01B17/24
主分类号
H01B17/24
代理机构
代理人
主权项
地址
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