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发明名称
élément de construction
摘要
申请公布号
FR929629(A)
申请公布日期
1948.01.02
申请号
FRD929629
申请日期
1946.06.22
申请人
发明人
WELSCHEN FRANCISCUS HENDRIKUS
分类号
E04C1/42
主分类号
E04C1/42
代理机构
代理人
主权项
地址
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