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发明名称
Anordning vid dammluckor
摘要
申请公布号
FI43288(C)
申请公布日期
1971.02.10
申请号
FID43288
申请日期
1965.02.18
申请人
发明人
KVAN KOLBJOERN
分类号
E02B7/44;(IPC1-7):E02B7/44
主分类号
E02B7/44
代理机构
代理人
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地址
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