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发明名称
Faux-plafond en panneaux rigides munis ou non d'un cadre métallique
摘要
申请公布号
FR999487(A)
申请公布日期
1952.01.31
申请号
FRD999487
申请日期
1949.10.27
申请人
SOCIETE BOEFRANCEX
发明人
分类号
E04B9/10;E04B9/12
主分类号
E04B9/10
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代理人
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