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发明名称
Electric vibrator
摘要
申请公布号
US2224263(A)
申请公布日期
1940.12.10
申请号
US19370143664
申请日期
1937.05.20
申请人
OTTO HERMANN
发明人
HERMANN OTTO
分类号
H01H51/34
主分类号
H01H51/34
代理机构
代理人
主权项
地址
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