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发明名称
Indicating device for switches
摘要
申请公布号
US1931310(A)
申请公布日期
1933.10.17
申请号
US19310517000
申请日期
1931.02.19
申请人
EDITHE A. DAVIS
发明人
WEGNER WALTER E.
分类号
H01H9/16
主分类号
H01H9/16
代理机构
代理人
主权项
地址
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