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发明名称
Electric resistance and method of making
摘要
申请公布号
US2507233(A)
申请公布日期
1950.05.09
申请号
US19460668471
申请日期
1946.05.09
申请人
HARTFORD NATIONAL BANK AND TRUST COMPANY
发明人
VERWEY EVERT JOHANNES WILLEM
分类号
C04B35/053
主分类号
C04B35/053
代理机构
代理人
主权项
地址
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