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经营范围
发明名称
Résistance électrique.
摘要
申请公布号
CH142578(A)
申请公布日期
1930.09.30
申请号
CHD142578
申请日期
1929.05.15
申请人
ALLEN WEST & COMPANY LIMITED;WEST,ALLEN
发明人
LIMITED ALLEN WEST & COMPANY;WEST,ALLEN
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