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发明名称
Solenoid controlled valve unit
摘要
申请公布号
US2644121(A)
申请公布日期
1953.06.30
申请号
US19490099516
申请日期
1949.06.16
申请人
PARSONS JOHN B
发明人
PARSONS JOHN B.
分类号
H01F7/16
主分类号
H01F7/16
代理机构
代理人
主权项
地址
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