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经营范围
发明名称
Improvements in and relating to mercury dispensing devices
摘要
申请公布号
GB758153(A)
申请公布日期
1956.10.03
申请号
GB19540020222
申请日期
1954.07.09
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
分类号
H01J9/395
主分类号
H01J9/395
代理机构
代理人
主权项
地址
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