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发明名称
Procédé de fabrication de matériaux de construction
摘要
申请公布号
FR872550(A)
申请公布日期
1942.06.11
申请号
FRD872550
申请日期
1940.10.31
申请人
发明人
HANNOT GOMMARIS FRANCISCUS
分类号
C04B24/38
主分类号
C04B24/38
代理机构
代理人
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