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发明名称
PAPIERFILTERBEUTEL FUER STAUBSAUGER.
摘要
申请公布号
DE1752941(U)
申请公布日期
1957.09.26
申请号
DE195700SC527U
申请日期
1957.08.05
申请人
GERHARD SCHULWITZ
发明人
GERHARD SCHULWITZ
分类号
主分类号
代理机构
代理人
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