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发明名称
Dispositif et procédé de fabrication d'éléments, pour la constitution de dalles pur plafonds ou murs insonorisés
摘要
申请公布号
FR1013982(A)
申请公布日期
1952.08.06
申请号
FRD1013982
申请日期
1948.07.07
申请人
ATELIERS NEYRET-BEYLIER & PICCARD-PICTET
发明人
分类号
B28B7/18
主分类号
B28B7/18
代理机构
代理人
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地址
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