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发明名称
Powered hammer
摘要
申请公布号
GB2201364(A)
申请公布日期
1988.09.01
申请号
GB19870004534
申请日期
1987.02.26
申请人
* ALDRIDGE PILING EQUIPMENT
发明人
JOHN * COLEY
分类号
B21J7/46;E02D7/10;(IPC1-7):B21J7/28
主分类号
B21J7/46
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