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发明名称
ELECTRIC RESISTANCE ELEMENT
摘要
申请公布号
CA444634(A)
申请公布日期
1947.10.21
申请号
CAD444634
申请日期
申请人
THE INTERNATIONAL NICKEL COMPANY;THE INTERNATIONAL NICKEL COMPANY OF CANADA
发明人
LEONARD BESSEMER PFEIL
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主分类号
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