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发明名称
摘要
申请公布号
DE2054445(A1)
申请公布日期
1972.05.25
申请号
DE19702054445
申请日期
1970.11.05
申请人
PEDDINGHAUS PAUL FERD FA
发明人
分类号
B21D28/24;B23D15/12;B30B1/06;(IPC1-7):B23D17/04
主分类号
B21D28/24
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