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发明名称
METHOD OF FORMING VACUUM TUBES
摘要
申请公布号
CA481120(A)
申请公布日期
1952.02.12
申请号
CAD481120
申请日期
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
SHERMAN K. SHULL;CHARLES E. BUCHWALD
分类号
主分类号
代理机构
代理人
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