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发明名称
SWITCH OPERATING MEANS
摘要
申请公布号
CA636112(A)
申请公布日期
1962.02.06
申请号
CAD636112
申请日期
申请人
MCGRAW-EDISON (CANADA) LIMITED
发明人
RONALD J. BERTLING
分类号
主分类号
代理机构
代理人
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