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经营范围
发明名称
Insulating spacers
摘要
申请公布号
US2754349(A)
申请公布日期
1956.07.10
申请号
US19510217994
申请日期
1951.03.28
申请人
WERNER LEO C
发明人
WERNER LEO C.
分类号
H01J25/587
主分类号
H01J25/587
代理机构
代理人
主权项
地址
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