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经营范围
发明名称
Umluftsichter
摘要
申请公布号
DE809365(C)
申请公布日期
1951.07.30
申请号
DE1949P031548
申请日期
1949.01.14
申请人
HEYD JAKOB
发明人
HEYD JAKOB
分类号
B07B4/02
主分类号
B07B4/02
代理机构
代理人
主权项
地址
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