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经营范围
发明名称
Television wave trap and the like
摘要
申请公布号
US2708238(A)
申请公布日期
1955.05.10
申请号
US19540422043
申请日期
1954.04.09
申请人
EMANUEL SILVERMAN
发明人
SILVERMAN EMANUEL
分类号
H03H2/00
主分类号
H03H2/00
代理机构
代理人
主权项
地址
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