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发明名称
IMPROVEMENTS IN AND RELATING TO ELECTRIC CONTACT DEVICES
摘要
申请公布号
GB1287538(A)
申请公布日期
1972.08.31
申请号
GB19710020652
申请日期
1971.04.19
申请人
N.V. "COQ"
发明人
EGBERTUS ADRIANUS FROWEIN
分类号
H01H1/38
主分类号
H01H1/38
代理机构
代理人
主权项
地址
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