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发明名称
Vorrichtung zur Beruhigung und zur Vergleichmäßigung der Wassergeschwindigkeit in hydraulischen Becken und Kanälen.
摘要
申请公布号
AT129396(B)
申请公布日期
1932.07.25
申请号
ATD129396
申请日期
1931.07.17
申请人
HENRI DUFOUR
发明人
HENRI DUFOUR
分类号
主分类号
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