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经营范围
发明名称
HYBRID RING
摘要
申请公布号
GB1518538(A)
申请公布日期
1978.07.19
申请号
GB19750042698
申请日期
1975.10.17
申请人
PHILIPS ELECTRONIC & ASS IND LTD
发明人
分类号
H01P5/22;(IPC1-7):H01P5/22
主分类号
H01P5/22
代理机构
代理人
主权项
地址
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