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发明名称
PARTIELLT ROSTSKYDDAD SPIK ELLER SKRUV
摘要
A spike or screw is partially protected from rust via the fact that only its head, and/or the shaft nearest to the head, is treated on its exterior with a rust prevention agent.
申请公布号
SE7902529(L)
申请公布日期
1980.09.22
申请号
SE19790002529
申请日期
1979.03.21
申请人
FREDSGAARD EVALD WINGE
发明人
FREDSGAARD EVALD WINGE
分类号
B21G5/00;C23F15/00;F16B15/00;F16B25/00;(IPC1-7):C23F15/00
主分类号
B21G5/00
代理机构
代理人
主权项
地址
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