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经营范围
发明名称
Panneau préfabriqué isolant, incombustible insonore et imputrescible
摘要
申请公布号
FR952635(A)
申请公布日期
1949.11.21
申请号
FRD952635
申请日期
1947.09.02
申请人
发明人
EVERS CLAUDE-BERNARD
分类号
E04B1/94;E04C2/18;E04C2/26;E04C2/296
主分类号
E04B1/94
代理机构
代理人
主权项
地址
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