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发明名称
Méthode et appareil pour la fabrication de tubes en fibro-ciment par centrifugeage
摘要
申请公布号
FR863427(A)
申请公布日期
1941.04.01
申请号
FRD863427
申请日期
1940.02.15
申请人
发明人
GUERCI GIOVANNI
分类号
B28B21/30
主分类号
B28B21/30
代理机构
代理人
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