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发明名称
Horn
摘要
申请公布号
US1771052(A)
申请公布日期
1930.07.22
申请号
US19240709881
申请日期
1924.04.29
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
MALLORY EDWARD B.
分类号
G10K11/02
主分类号
G10K11/02
代理机构
代理人
主权项
地址
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