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发明名称
WORKING METHOD OF A PILE WITH AN EXTENDED HEAD
摘要
申请公布号
HK1100297(A1)
申请公布日期
2011.07.29
申请号
HK20070108377
申请日期
2007.08.01
申请人
SONG YOON-YONG
发明人
SONG, YOON-YONG
分类号
E02D5/48;E02D;E02D5/44
主分类号
E02D5/48
代理机构
代理人
主权项
地址
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