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发明名称
Method for preparing semiconductor elements
摘要
申请公布号
US3078559(A)
申请公布日期
1963.02.26
申请号
US19590806012
申请日期
1959.04.13
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
THOMAS FRANK M.
分类号
B28D5/00
主分类号
B28D5/00
代理机构
代理人
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地址
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