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发明名称
Dorn
摘要
申请公布号
DE20121328(U1)
申请公布日期
2002.08.08
申请号
DE20012021328U
申请日期
2001.10.22
申请人
UNIVERSAL DRILLING AN CUTTING EQUIPMENT LTD., SHEFFIELD
发明人
分类号
B23B31/107;(IPC1-7):B23D61/02;B24D7/16
主分类号
B23B31/107
代理机构
代理人
主权项
地址
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