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发明名称
ARC-IMAGE ZONE REFINING FURNACE
摘要
申请公布号
GB1254739(A)
申请公布日期
1971.11.24
申请号
GB19690045528
申请日期
1969.09.16
申请人
MATSUSHITA ELECTRIC INDUSTRIAL COMPANY, LIMITED
发明人
分类号
C30B13/22;C30B13/24;H01L21/208;H05B3/00
主分类号
C30B13/22
代理机构
代理人
主权项
地址
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