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发明名称
Vibrator
摘要
申请公布号
US2167987(A)
申请公布日期
1939.08.01
申请号
US19370147559
申请日期
1937.06.10
申请人
WILLIAM MALL ARTHUR
发明人
MALL ARTHUR WILLIAM
分类号
E04G21/08
主分类号
E04G21/08
代理机构
代理人
主权项
地址
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