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发明名称
Guiding and connecting means for pile-driving hammers and piles
摘要
申请公布号
US2562039(A)
申请公布日期
1951.07.24
申请号
US19470741800
申请日期
1947.04.16
申请人
HANS JOHANSEN;VISINTAINER ALFRED A
发明人
JOHANSEN HANS;VISINTAINER ALFRED A.
分类号
E02D13/04
主分类号
E02D13/04
代理机构
代理人
主权项
地址
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