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发明名称
Improvements in electric oscillation systems controlled by mechanical vibrators
摘要
申请公布号
GB301926(A)
申请公布日期
1930.01.23
申请号
GB19280036182
申请日期
1928.12.07
申请人
WESTINGHOUSE ELECTRIC AND MANUFACTURING COMPANY
发明人
分类号
H03B5/30
主分类号
H03B5/30
代理机构
代理人
主权项
地址
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