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发明名称
SOIL SAMPLE COLLECTION DEVICE
摘要
申请公布号
JPH11117279(A)
申请公布日期
1999.04.27
申请号
JP19970294890
申请日期
1997.10.13
申请人
GEOTEC KK
发明人
HASE HISAO
分类号
E21B25/00;E02D1/04;(IPC1-7):E02D1/04
主分类号
E21B25/00
代理机构
代理人
主权项
地址
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