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发明名称
Method for manufacturing vacuum vessels
摘要
申请公布号
US2133492(A)
申请公布日期
1938.10.18
申请号
US19370154987
申请日期
1937.07.22
申请人
SIEMENS & HALSKE, AKTIENGESELLSCHAFT
发明人
VATTER HANS
分类号
H01J5/20;H01J5/26;H01J9/40
主分类号
H01J5/20
代理机构
代理人
主权项
地址
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