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发明名称
摘要
申请公布号
DE2143421(A1)
申请公布日期
1972.03.02
申请号
DE19712143421
申请日期
1971.08.30
申请人
HUNTER DOUGLAS
发明人
分类号
B23D25/04;(IPC1-7):B23D25/04
主分类号
B23D25/04
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