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发明名称
TWIST DRILL
摘要
申请公布号
CS181722(B2)
申请公布日期
1978.03.31
申请号
CS19730005225
申请日期
1973.07.26
申请人
OSBORN MUSHET TOOLS LIMITED,GB
发明人
SIDDALL,KEITH,GB
分类号
B23D77/00;B23B51/02;(IPC1-7):B23B51/00
主分类号
B23D77/00
代理机构
代理人
主权项
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