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经营范围
发明名称
Band-pass filter
摘要
申请公布号
US2064775(A)
申请公布日期
1936.12.15
申请号
US19350025736
申请日期
1935.06.10
申请人
HAZCLTINE CORPORATION
发明人
WHEELER HAROLD A.
分类号
H03H7/01
主分类号
H03H7/01
代理机构
代理人
主权项
地址
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