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经营范围
发明名称
Pinch seal apparatus
摘要
申请公布号
US2917870(A)
申请公布日期
1959.12.22
申请号
US19570662075
申请日期
1957.05.28
申请人
GENERAL ELECTRIC COMPANY
发明人
LEVAND VICTOR A.
分类号
H01J5/32
主分类号
H01J5/32
代理机构
代理人
主权项
地址
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