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发明名称
Radio receiving set
摘要
申请公布号
US1829175(A)
申请公布日期
1931.10.27
申请号
US19280251400
申请日期
1928.02.02
申请人
WILLIAM WILLANS PETER;HENRY CHARMAN FREDERICK JOHN
发明人
WILLANS PETER WILLIAM;CHARMAN FREDERICK JOHN HENRY
分类号
H04B1/22
主分类号
H04B1/22
代理机构
代理人
主权项
地址
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