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发明名称
Electric switch
摘要
申请公布号
US1767709(A)
申请公布日期
1930.06.24
申请号
US19220576322
申请日期
1922.07.20
申请人
TREMONT PRODUCTS CORPORATION
发明人
SMITH RAYMOND D.
分类号
H01H43/30
主分类号
H01H43/30
代理机构
代理人
主权项
地址
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