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发明名称
摘要
申请公布号
FR2043719(A1)
申请公布日期
1971.02.19
申请号
FR19700019069
申请日期
1970.05.26
申请人
MENZI ERNST AG
发明人
分类号
E02F3/30;E02F3/42;E02F9/08;(IPC1-7):E02F9/00
主分类号
E02F3/30
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