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经营范围
发明名称
FILTERING AND WASHING DEVICE
摘要
申请公布号
CA342243(A)
申请公布日期
1934.06.12
申请号
CAD342243
申请日期
申请人
AKTIEBOLAGET KEMISKA PATENTER
发明人
JOHN GUNNAR WALLNY
分类号
主分类号
代理机构
代理人
主权项
地址
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