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发明名称
Incandescent electric lamp bulb
摘要
申请公布号
US1875981(A)
申请公布日期
1932.09.06
申请号
US19300481618
申请日期
1930.09.13
申请人
MACBETH-EVANS GLASS COMPANY
发明人
BLAU HENRY H.
分类号
B60C7/20;H01K1/32
主分类号
B60C7/20
代理机构
代理人
主权项
地址
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