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发明名称
Akustischer Widerstand aus aufgewickeltem langgestrecktem Werkstoff
摘要
申请公布号
CH315642(A)
申请公布日期
1956.08.31
申请号
CHD315642
申请日期
1953.04.01
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
SCHENKEL,GERRIT;IZAAK DE HAAN,JACOB
分类号
G10K11/16
主分类号
G10K11/16
代理机构
代理人
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