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发明名称
PILE EXTRACTING METHOD
摘要
申请公布号
JPS5222308(A)
申请公布日期
1977.02.19
申请号
JP19750098396
申请日期
1975.08.12
申请人
SANWA KIZAI CO LTD
发明人
HAMANO MAMORU
分类号
E02D9/02
主分类号
E02D9/02
代理机构
代理人
主权项
地址
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