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发明名称
Duct rodding machine
摘要
申请公布号
US2590414(A)
申请公布日期
1952.03.25
申请号
US19500150182
申请日期
1950.03.17
申请人
CRONJE JASPER;HAWK GEORGE T
发明人
JASPER CRONJE;HAWK GEORGE T.
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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