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发明名称
Dispositif de protection et d'agrippage des poutrelles de batardeau et de vannes avec différents moyens de sécurité de dégagement sous l'eau
摘要
申请公布号
FR747807(A)
申请公布日期
1933.06.24
申请号
FRD747807
申请日期
1932.10.13
申请人
SOCIETE ANONYME BUSS
发明人
分类号
E02B7/36
主分类号
E02B7/36
代理机构
代理人
主权项
地址
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