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发明名称
Perfectionnements sur le principe de mise en oeuvre pour la construction de plancherinsonore à plafond armé indépendant
摘要
申请公布号
FR1017476(A)
申请公布日期
1952.12.11
申请号
FRD1017476
申请日期
1950.01.05
申请人
发明人
DELOUPY GUY
分类号
E04B5/17
主分类号
E04B5/17
代理机构
代理人
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