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发明名称
Verfahren zur Herstellung von Dachrinnen mit Verstärkerwulst und Walzmaschine zur Durchführung des Verfahrens, sowie nach diesem hergestellte Dachrinne.
摘要
申请公布号
CH227639(A)
申请公布日期
1943.06.30
申请号
CHD227639
申请日期
1942.04.08
申请人
BILLETER,HEINRICH
发明人
BILLETER,HEINRICH
分类号
B21D5/08;B21D11/20
主分类号
B21D5/08
代理机构
代理人
主权项
地址
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