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发明名称
Vorrichtung zum Einwalzen von Rillen in Blechtafeln
摘要
申请公布号
DE587639(C)
申请公布日期
1933.11.06
申请号
DE1931B152376D
申请日期
1931.10.06
申请人
GUSTAV BUCHHOLZ
发明人
分类号
B21D13/04
主分类号
B21D13/04
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