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发明名称
CRUCIBLE APPARATUS FOR A SEMICONDUCTOR CRYSTAL PULLER
摘要
申请公布号
US3694165(A)
申请公布日期
1972.09.26
申请号
USD3694165
申请日期
1970.08.11
申请人
MONSANTO CO.
发明人
HORST G. KRAMER
分类号
C30B15/14;(IPC1-7):B01J11/18
主分类号
C30B15/14
代理机构
代理人
主权项
地址
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