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发明名称
Sich selbst reinigende Bandtragrolle
摘要
申请公布号
DE825526(C)
申请公布日期
1951.12.20
申请号
DE1949P042151
申请日期
1949.05.10
申请人
FREDENHAGEN K.G.
发明人
分类号
B65G39/073
主分类号
B65G39/073
代理机构
代理人
主权项
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