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发明名称
Rotary line switch
摘要
申请公布号
US1757681(A)
申请公布日期
1930.05.06
申请号
US19260114189
申请日期
1926.06.07
申请人
AUTOMATIC ELECTRIC INC.
发明人
OSTLINE JOHN E.
分类号
H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
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