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发明名称
FILTERS
摘要
申请公布号
CA581779(A)
申请公布日期
1959.08.18
申请号
CAD581779
申请日期
申请人
CAMBRIDGE FILTER CORPORATION
发明人
WILLIAM W. BALDWIN
分类号
主分类号
代理机构
代理人
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地址
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