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发明名称
Perfectionnements aux dispositifs d'étanchéité, plus particulièrement destinés aux écluses, batardeaux, portes, vannes, etc.
摘要
申请公布号
FR1075635(A)
申请公布日期
1954.10.19
申请号
FRD1075635
申请日期
1953.03.12
申请人
发明人
PARMENTIER GUY-CHARLES-MARIE
分类号
E02B7/54;F16J15/48
主分类号
E02B7/54
代理机构
代理人
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