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经营范围
发明名称
Perfectionnements aux procédés de construction de massifs réfractaires
摘要
申请公布号
FR1055512(A)
申请公布日期
1954.02.19
申请号
FRD1055512
申请日期
1952.05.07
申请人
发明人
LONGCHAMBON LOUIS
分类号
F27D1/14;F27D1/16
主分类号
F27D1/14
代理机构
代理人
主权项
地址
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