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发明名称
摘要
申请公布号
DE2723514(C2)
申请公布日期
1987.04.16
申请号
DE19772723514
申请日期
1977.05.25
申请人
MALKMUS-DOERNEMANN, GEB. DOERNEMANN, CAROLA, DR., 3320 SALZGITTER, DE
发明人
VERZICHT DES ERFINDERS AUF NENNUNG
分类号
E01F9/646;E01F13/04
主分类号
E01F9/646
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代理人
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