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经营范围
发明名称
CAPACITATIVE COMMUTATOR
摘要
申请公布号
CA509131(A)
申请公布日期
1955.01.11
申请号
CAD509131
申请日期
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
NEAL D. NEWBY
分类号
主分类号
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