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发明名称
Vibrator
摘要
申请公布号
US2243920(A)
申请公布日期
1941.06.03
申请号
US19390273297
申请日期
1939.05.12
申请人
PHILIPS HERMAN B
发明人
PHILIPS HERMAN B.
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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