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发明名称
Bulb changing device
摘要
申请公布号
US2669478(A)
申请公布日期
1954.02.16
申请号
US19500163337
申请日期
1950.05.22
申请人
BOWIE BENJAMIN T
发明人
BOWIE BENJAMIN T.
分类号
H01J9/00
主分类号
H01J9/00
代理机构
代理人
主权项
地址
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