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经营范围
发明名称
Vorrichtung zum tiegelfreien Zonenschmelzen
摘要
申请公布号
DE1913881(B2)
申请公布日期
1970.10.22
申请号
DE19691913881
申请日期
1969.03.19
申请人
SIEMENS AG
发明人
WOLFGANG KELLER DR RER NAT
分类号
C30B13/20;H05B6/06;H05B6/36
主分类号
C30B13/20
代理机构
代理人
主权项
地址
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