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发明名称
Rheostat
摘要
申请公布号
US1823474(A)
申请公布日期
1931.09.15
申请号
US19260143906
申请日期
1926.10.25
申请人
CHICAGO TELEPHONE SUPPLY COMPANY
发明人
SCHELLENGER NEWTON C.
分类号
H01C1/08;H01C10/32
主分类号
H01C1/08
代理机构
代理人
主权项
地址
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