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发明名称
Perfectionnements apportés aux procédés et dispositifs pour obtenir des éléments et constructions en béton
摘要
申请公布号
FR937866(A)
申请公布日期
1948.08.30
申请号
FRD937866
申请日期
1946.12.17
申请人
发明人
DOBELL CURZON
分类号
B28B23/04
主分类号
B28B23/04
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