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发明名称
Contact arrangement for vibrators
摘要
申请公布号
US2519731(A)
申请公布日期
1950.08.22
申请号
US19460676604
申请日期
1946.06.14
申请人
P. R. MALLORY & CO., INC.
发明人
AUST ROBERT J.
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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