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发明名称
Oscillating pulsator
摘要
申请公布号
US1891493(A)
申请公布日期
1932.12.20
申请号
US19310560861
申请日期
1931.09.02
申请人
SERGIUS APOSTOLOFF
发明人
APOSTOLOFF SERGIUS
分类号
H01H50/76
主分类号
H01H50/76
代理机构
代理人
主权项
地址
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