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发明名称
FALLROHR EINER ABWAERTSFOERDERUNG FUER SCHUETTGUT
摘要
申请公布号
DE6806298(U)
申请公布日期
1969.03.20
申请号
DE19680006298U
申请日期
1968.11.07
申请人
WILHELM STEINKOPF
发明人
WILHELM STEINKOPF
分类号
主分类号
代理机构
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