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发明名称
Device for relieving starting load on vibrators driven by electric motor
摘要
申请公布号
US2852946(A)
申请公布日期
1958.09.23
申请号
US19540460024
申请日期
1954.10.04
申请人
FRANK PETRIN
发明人
PETRIN FRANK
分类号
B06B1/16
主分类号
B06B1/16
代理机构
代理人
主权项
地址
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