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经营范围
发明名称
Silent switch structure
摘要
申请公布号
US2743330(A)
申请公布日期
1956.04.24
申请号
US19540422622
申请日期
1954.04.12
申请人
LOUIS LUDWIG
发明人
LUDWIG LOUIS
分类号
H01H3/60;H01H23/16
主分类号
H01H3/60
代理机构
代理人
主权项
地址
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