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经营范围
发明名称
Means for determining crystal orientation and purity
摘要
申请公布号
US2851884(A)
申请公布日期
1958.09.16
申请号
US19510246499
申请日期
1951.09.13
申请人
发明人
ARENBERG DAVID L.
分类号
H01L41/22
主分类号
H01L41/22
代理机构
代理人
主权项
地址
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