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经营范围
发明名称
Pushbutton switches with at least one flexible cantilevered spring leaf contact continually prestressed by a pushbutton
摘要
申请公布号
US3374333(A)
申请公布日期
1968.03.19
申请号
US19670613225
申请日期
1967.02.01
申请人
ROYAL TYPEWRITER COMPANY, INC.
发明人
ANDERSON FRED A.
分类号
H01H1/24;H01H13/12
主分类号
H01H1/24
代理机构
代理人
主权项
地址
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