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发明名称
Shot-rock diggability monitor
摘要
申请公布号
AU4539897(A)
申请公布日期
1998.06.25
申请号
AU19970045398
申请日期
1997.11.26
申请人
CATERPILLAR INC.
发明人
EVERETT G. BRANDT;WILLIAM C. EVANS
分类号
E02F3/43;E02F9/20;E02F9/26;G01G19/10
主分类号
E02F3/43
代理机构
代理人
主权项
地址
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