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发明名称
Retarded solenoid tractive means
摘要
申请公布号
US2528734(A)
申请公布日期
1950.11.07
申请号
US19450606318
申请日期
1945.07.21
申请人
BRASS EDWARD A
发明人
BRASS EDWARD A.
分类号
G08G1/085
主分类号
G08G1/085
代理机构
代理人
主权项
地址
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