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发明名称
Dual-depth soil sampler
摘要
申请公布号
AU1728899(A)
申请公布日期
2000.02.10
申请号
AU19990017288
申请日期
1999.02.15
申请人
FRED HENRY WILLIAMS;WENDY MURIEL WILLIAMS
发明人
FRED HENRY WILLIAMS
分类号
E02D1/04;E21B49/02;G01N1/08
主分类号
E02D1/04
代理机构
代理人
主权项
地址
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