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发明名称
Underfloor duct box
摘要
申请公布号
US2063569(A)
申请公布日期
1936.12.08
申请号
US19330699649
申请日期
1933.11.25
申请人
WALKER HERVEY S
发明人
WALKER HERVEY S.
分类号
H02G3/18
主分类号
H02G3/18
代理机构
代理人
主权项
地址
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