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发明名称
METHOD AND APPARATUS FOR FORMING END BEARING PILES
摘要
申请公布号
US3479829(A)
申请公布日期
1969.11.25
申请号
USD3479829
申请日期
1967.06.21
申请人
SHELL OIL CO.
发明人
WILLARD B. GOODMAN
分类号
E02D5/44;E02D5/62;(IPC1-7):E02D5/34;E02D5/54;E21B11/02
主分类号
E02D5/44
代理机构
代理人
主权项
地址
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