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发明名称
Perfectionnement aux têtes d'écluses à portes coulissantes possédant plusieurs portes prêtes au fonctionnement
摘要
申请公布号
FR676981(A)
申请公布日期
1930.03.01
申请号
FRD676981
申请日期
1929.06.21
申请人
发明人
TELLEGEN BERNARDUS DOMINICUS HUBERTUS
分类号
E02C1/00
主分类号
E02C1/00
代理机构
代理人
主权项
地址
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