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发明名称
Ventilated switch box
摘要
申请公布号
US1821898(A)
申请公布日期
1931.09.01
申请号
US19280325990
申请日期
1928.12.14
申请人
METROPOLITAN DEVICE CORPORATION
发明人
RYPINSKI ALBERT B.
分类号
H02B1/56
主分类号
H02B1/56
代理机构
代理人
主权项
地址
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