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发明名称
Baggerzahn.
摘要
申请公布号
DE68921621(T2)
申请公布日期
1995.10.05
申请号
DE19896021621T
申请日期
1989.08.09
申请人
ESCO CORP., PORTLAND, OREG., US
发明人
EMRICH, ROBERT K., PORTLAND OREGON 97223, US
分类号
E02F3/40;E02F9/28;(IPC1-7):E02F9/28
主分类号
E02F3/40
代理机构
代理人
主权项
地址
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