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发明名称
Transistor manufacture
摘要
申请公布号
US2883544(A)
申请公布日期
1959.04.21
申请号
US19550553893
申请日期
1955.12.19
申请人
SPRAGUE ELECTRIC COMPANY
发明人
ROBINSON PRESTON
分类号
H01J37/304;H01L21/00
主分类号
H01J37/304
代理机构
代理人
主权项
地址
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