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发明名称
Method of producing patterns
摘要
申请公布号
US2872316(A)
申请公布日期
1959.02.03
申请号
US19550516766
申请日期
1955.06.20
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
RYCHLEWSKI THADDEUS VICTOR;WILSON ROBERT FREDERICK
分类号
H01J9/227
主分类号
H01J9/227
代理机构
代理人
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地址
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