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发明名称
Slow break switch
摘要
申请公布号
US2039117(A)
申请公布日期
1936.04.28
申请号
US19330659708
申请日期
1933.03.06
申请人
CHICAGO TELEPHONE SUPPLY CO.
发明人
SCHELLENGER NEWTON C.
分类号
H01C10/36;H01H1/42
主分类号
H01C10/36
代理机构
代理人
主权项
地址
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