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经营范围
发明名称
Underwater piling hammer
摘要
申请公布号
GB2050893(A)
申请公布日期
1981.01.14
申请号
GB19790021055
申请日期
1979.06.18
申请人
NATH B;HARVEY R C BURLEY E
发明人
分类号
B21J7/06;E02D7/00;(IPC1-7):B21J7/06
主分类号
B21J7/06
代理机构
代理人
主权项
地址
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