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经营范围
发明名称
Booster tube
摘要
申请公布号
US2675503(A)
申请公布日期
1954.04.13
申请号
US19530356447
申请日期
1953.05.21
申请人
HENRY WORKMAN
发明人
WORKMAN HENRY
分类号
H01J19/78
主分类号
H01J19/78
代理机构
代理人
主权项
地址
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