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发明名称
Selector control unit
摘要
申请公布号
US2038241(A)
申请公布日期
1936.04.21
申请号
US19340736104
申请日期
1934.07.19
申请人
THE SPARKS-WITHINGTON COMPANY
发明人
SCOFIELD THEODORE J.
分类号
H03J1/04
主分类号
H03J1/04
代理机构
代理人
主权项
地址
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