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发明名称
Sandfilter.
摘要
申请公布号
DK69271(C)
申请公布日期
1949.05.30
申请号
DK19470000188
申请日期
1947.01.16
申请人
AKTIEBOLAGET ZANDER & INGESTROEM
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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