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经营范围
发明名称
Incandescent lamp
摘要
申请公布号
US2442845(A)
申请公布日期
1948.06.08
申请号
US19460641668
申请日期
1946.01.17
申请人
DAVIS JR GEORGE B
发明人
JR. GEORGE B. DAVIS,
分类号
H01K1/62
主分类号
H01K1/62
代理机构
代理人
主权项
地址
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