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发明名称
A method and apparatus for winding the formers of slot filters
摘要
申请公布号
GB780365(A)
申请公布日期
1957.07.31
申请号
GB19550020508
申请日期
1955.07.15
申请人
ALFRED KNECHT
发明人
分类号
B01D29/11;B21F17/00
主分类号
B01D29/11
代理机构
代理人
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