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发明名称
VACUUM ARC SMELTING FURNACES
摘要
申请公布号
CA642600(A)
申请公布日期
1962.06.12
申请号
CAD642600
申请日期
申请人
W. C. HERAEUS GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
发明人
HELMUT GRUBER;HELMUT SCHEIDIG
分类号
主分类号
代理机构
代理人
主权项
地址
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