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发明名称
Sikring til ristformede dæksler, især dæksler til kloakbrønde.
摘要
申请公布号
DK95080(C)
申请公布日期
1963.01.02
申请号
DK19610004885
申请日期
1961.12.06
申请人
HANS AXEL HANSSON;AXEL JAKOBSEN
发明人
HANS AXEL HANSSON;AXEL JAKOBSEN
分类号
E03F;(IPC1-7):E03F
主分类号
E03F
代理机构
代理人
主权项
地址
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