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发明名称
TRANCHANT EN DEUX PARTIES
摘要
申请公布号
BE771304(A1)
申请公布日期
1971.12.16
申请号
BE19710771304
申请日期
1971.08.13
申请人
ESCO CORP., 2141 NORTHWEST 25TH AVENUE, PORTLAND, OREGON, (E.U.A.),
发明人
F.C. HAHN;R.R. MILLER.
分类号
E02F9/28;(IPC1-7):E02F/
主分类号
E02F9/28
代理机构
代理人
主权项
地址
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