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发明名称
CERAMIC SPACERS
摘要
申请公布号
GB1586562(A)
申请公布日期
1981.03.18
申请号
GB19770034740
申请日期
1978.05.12
申请人
PARK ROYAL PORCELAIN CO LTD
发明人
分类号
H01H1/28;(IPC1-7):F16B43/00;H01B17/00
主分类号
H01H1/28
代理机构
代理人
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