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发明名称
Vacuum-tight metal-to-ceramic seal and method of making same
摘要
申请公布号
US2250986(A)
申请公布日期
1941.07.29
申请号
US19400355475
申请日期
1940.09.05
申请人
GENERAL ELECTRIC COMPANY
发明人
DOBKE GUNTHER
分类号
C04B37/02
主分类号
C04B37/02
代理机构
代理人
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地址
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