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发明名称
ELECTRIC RESISTANCE ELEMENTS
摘要
申请公布号
CA549610(A)
申请公布日期
1957.12.03
申请号
CAD549610
申请日期
申请人
DUNLOP RUBBER COMPANY LIMITED
发明人
DOUGLAS BULGIN
分类号
主分类号
代理机构
代理人
主权项
地址
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