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发明名称
Vorrichtung zur Kenntlichmachung von innerhalb eines gewissen Zeitintervalles liegenden Zeitpunkten
摘要
申请公布号
DE807371(C)
申请公布日期
1951.06.28
申请号
DE1948P020698D
申请日期
1948.11.04
申请人
N.V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
LOEVGREN E.A.;WATERSCHOOT P.J.
分类号
G04F3/06
主分类号
G04F3/06
代理机构
代理人
主权项
地址
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