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发明名称
Ring for ring frames and ring twisters
摘要
A ring for a ring spinning or a ring twisting machine, comprising an annular polished core and a hard chrome layer, wherein the core is coated with a copper layer, and wherein the hard chrome layer is applied to the copper layer.
申请公布号
US6360521(B1)
申请公布日期
2002.03.26
申请号
US20000647333
申请日期
2000.11.17
申请人
BRACKER AG
发明人
KAEGI JOERG
分类号
D01H7/60;(IPC1-7):D01H7/60
主分类号
D01H7/60
代理机构
代理人
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