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经营范围
发明名称
RESISTANCE MASSES FOR FIRING UNDER NITROGEN
摘要
申请公布号
EP0327828(B1)
申请公布日期
1993.09.22
申请号
EP19890100576
申请日期
1989.01.13
申请人
W.C. HERAEUS GMBH
发明人
STEINBERG, JERRY, DR.
分类号
B22F1/00;H01C7/00;H01C17/065;H01C17/30
主分类号
B22F1/00
代理机构
代理人
主权项
地址
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