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发明名称
Method and apparatus for growing single crystals of quartz
摘要
申请公布号
US2675303(A)
申请公布日期
1954.04.13
申请号
US19500155221
申请日期
1950.04.11
申请人
CLEVITE CORPORATION
发明人
SOBEK ANDREW R.;HALE DANFORTH R.
分类号
C01B33/12
主分类号
C01B33/12
代理机构
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