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经营范围
发明名称
Fenster- oder Ringventilator
摘要
申请公布号
AT210118(B)
申请公布日期
1960.07.11
申请号
AT19580005881
申请日期
1958.08.22
申请人
N. V. INDUSTR. ONDERN. W. H. BRASKAMP
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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ELECTRIC CONTACT
MOTOR
Plastic refractory mass contg. alumina and chromic oxide - has high strength and resists attack by molten metal and slags