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经营范围
发明名称
MEHRZIFFERNRECHENWERK
摘要
申请公布号
DE2705989(A1)
申请公布日期
1977.08.25
申请号
DE19772705989
申请日期
1977.02.12
申请人
N.V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
REITSMA,JOGCHEM
分类号
G06F7/493;G06F7/494;G06F7/50;G06F7/507;G06F7/575;(IPC1-7):G06F7/50
主分类号
G06F7/493
代理机构
代理人
主权项
地址
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