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发明名称
Appliance for removing and installing overhead electric lamps
摘要
申请公布号
US2573002(A)
申请公布日期
1951.10.30
申请号
US19490119356
申请日期
1949.10.03
申请人
FOSTER CHARLES E
发明人
FOSTER CHARLES E.
分类号
H01J9/00;H01K3/32
主分类号
H01J9/00
代理机构
代理人
主权项
地址
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