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发明名称
Revètements en béton de tuyaux ou autres corps cylindriques
摘要
申请公布号
FR940100(A)
申请公布日期
1948.12.02
申请号
FRD940100
申请日期
1947.01.14
申请人
SOCIETE DES TUYAUX BONNA
发明人
分类号
B28B19/00
主分类号
B28B19/00
代理机构
代理人
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