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发明名称
Telephone service fitting for floor distribution systems
摘要
申请公布号
US2968689(A)
申请公布日期
1961.01.17
申请号
US19580707330
申请日期
1958.01.06
申请人
H. K. PORTER COMPANY INC.
发明人
JOHNSON ROBERT
分类号
H02G3/16
主分类号
H02G3/16
代理机构
代理人
主权项
地址
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