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发明名称
Elektrisch betriebener Staubsauger.
摘要
申请公布号
CH148731(A)
申请公布日期
1931.08.15
申请号
CHD148731
申请日期
1930.02.25
申请人
INVENTIA PATENT-VERWERTUNGS-GESELLSCHAFT
发明人
PATENT-VERWERTUNGS-GESELLSCHAFT INVENTIA
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