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发明名称
Threading cables through ducts
摘要
申请公布号
US1851435(A)
申请公布日期
1932.03.29
申请号
US19270228093
申请日期
1927.10.22
申请人
METROPOLITAN DEVICE CORPORATION
发明人
JESSUP GEORGE K.
分类号
H02G1/08
主分类号
H02G1/08
代理机构
代理人
主权项
地址
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