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经营范围
发明名称
Side coupled carriers that pass to opposite sides of obstructions
摘要
申请公布号
US2673366(A)
申请公布日期
1954.03.30
申请号
US19510223078
申请日期
1951.04.26
申请人
JOHNSON VERNON M
发明人
JOHNSON VERNON M.
分类号
A47L11/40
主分类号
A47L11/40
代理机构
代理人
主权项
地址
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