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发明名称
BASE FOR ELECTRIC LAMPS
摘要
申请公布号
CA445731(A)
申请公布日期
1947.12.23
申请号
CAD445731
申请日期
申请人
CANADIAN GENERAL ELECTRIC COMPANY
发明人
EDWARD B. NOEL
分类号
主分类号
代理机构
代理人
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