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发明名称
Improvements in or relating to the purification of materials by the zone melting method
摘要
申请公布号
GB911515(A)
申请公布日期
1962.11.28
申请号
GB19600035348
申请日期
1960.10.14
申请人
CKD PRAHA
发明人
分类号
C30B13/28
主分类号
C30B13/28
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代理人
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