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发明名称
MEHRBEREICHS BOHRFUTTER FUER BOHRSPIRALEN
摘要
申请公布号
DE1752019(B2)
申请公布日期
1972.01.27
申请号
DE19681752019
申请日期
1968.03.21
申请人
发明人
分类号
B23B31/02;B23B31/117;(IPC1-7):B23B31/04
主分类号
B23B31/02
代理机构
代理人
主权项
地址
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