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发明名称
DELAY DEVICE
摘要
申请公布号
KR780000378(B1)
申请公布日期
1978.09.24
申请号
KR19710001346
申请日期
1971.09.24
申请人
N.V. PHILIPS' GLOEILAMPEN FABRIEKEN
发明人
FREDERIK VEONARD YOHAN SANGSTER
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