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经营范围
发明名称
Tuyère pour chalumeau
摘要
申请公布号
FR1217953(A)
申请公布日期
1960.05.06
申请号
FR19580781927
申请日期
1958.12.17
申请人
UNION CARBIDE CORPORATION
发明人
分类号
F23D14/54
主分类号
F23D14/54
代理机构
代理人
主权项
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