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发明名称
ZUSATZVORRICHTUNG FUER EINEN STAUBSAUGER.
摘要
申请公布号
DE1740127(U)
申请公布日期
1957.02.21
申请号
DE195600B7785U
申请日期
1956.11.26
申请人
HELGA BRENSING
发明人
HELGA BRENSING
分类号
主分类号
代理机构
代理人
主权项
地址
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