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发明名称
Vibrator-exciting action
摘要
申请公布号
US2533830(A)
申请公布日期
1950.12.12
申请号
US19470760795
申请日期
1947.07.14
申请人
MIESSNER INVENTIONS, INC.
发明人
MIESSNER BENJAMIN F.
分类号
G10C3/16
主分类号
G10C3/16
代理机构
代理人
主权项
地址
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