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发明名称
Visual indicators for low voltage apparatus
摘要
申请公布号
US2997700(A)
申请公布日期
1961.08.22
申请号
US19560608932
申请日期
1956.09.10
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
KRAMER NOAH H.
分类号
H03K3/282
主分类号
H03K3/282
代理机构
代理人
主权项
地址
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