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发明名称
Verfahren zum Schwärzen von Oberflächen, insbesondere von Elektroden und anderen Bestandteilen von Entladungsröhren, sowie von Strahlungskörpern.
摘要
申请公布号
CH185257(A)
申请公布日期
1936.07.15
申请号
CHD185257
申请日期
1935.06.07
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
GLOEILAMPENFABRIEKEN N. V. PHILIPS'
分类号
主分类号
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