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发明名称
Verfahren und Vorrichtung zur Herstellung schraubenförmig gerillter Schläuche in fortlaufendem Arbeitsgang.
摘要
申请公布号
CH161059(A)
申请公布日期
1933.04.15
申请号
CHD161059
申请日期
1931.11.04
申请人
KOPETZ,JOSEF
发明人
KOPETZ,JOSEF
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主分类号
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