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发明名称
Dispositif pour la stabilité du fonctionnement des siphons
摘要
申请公布号
FR993018(A)
申请公布日期
1951.10.25
申请号
FRD993018
申请日期
1944.11.09
申请人
ATELIERS NEYRET-BEYLIER & PICCARD-PICTET
发明人
分类号
E02B7/18
主分类号
E02B7/18
代理机构
代理人
主权项
地址
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