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发明名称
DUBELHALTER
摘要
申请公布号
PT69107(A)
申请公布日期
1979.02.01
申请号
PT19790069107
申请日期
1979.01.19
申请人
OTTO BRENTZEL
发明人
分类号
E01C11/04;E01C11/14;(IPC1-7):E01C/
主分类号
E01C11/04
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