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发明名称
Electrically operated control
摘要
申请公布号
US2406873(A)
申请公布日期
1946.09.03
申请号
US19420464990
申请日期
1942.11.09
申请人
WALKER NEVILLES E
发明人
WALKER NEVILLES E.
分类号
H04Q9/04
主分类号
H04Q9/04
代理机构
代理人
主权项
地址
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