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发明名称
METHOD OF MANUFACTURING EVACUATED DEVICES
摘要
申请公布号
US3531175(A)
申请公布日期
1970.09.29
申请号
USD3531175
申请日期
1968.02.19
申请人
GENERAL ELECTRIC CO.
发明人
SIDNEY R. SMITH JR.
分类号
H01J9/38;(IPC1-7):H01J17/26
主分类号
H01J9/38
代理机构
代理人
主权项
地址
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