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经营范围
发明名称
élément de construction formant bloc de ventilation
摘要
申请公布号
FR1059049(A)
申请公布日期
1954.03.22
申请号
FRD1059049
申请日期
1952.04.11
申请人
PILKINGTON BROTHERS LIMITED
发明人
分类号
E04C1/42;F24F7/00
主分类号
E04C1/42
代理机构
代理人
主权项
地址
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