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发明名称
Vorrichtung zum Bördeln des Randes einer runden Öffnung in Blechen.
摘要
申请公布号
CH197358(A)
申请公布日期
1938.04.30
申请号
CHD197358
申请日期
1937.06.18
申请人
L. SCHULER A.-G.
发明人
A.-G. L. SCHULER
分类号
B21D19/12
主分类号
B21D19/12
代理机构
代理人
主权项
地址
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