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发明名称
THREAD-FURROWING SCREW
摘要
A thread-furrowing screw comprises a shaft portion made of solid material and a thread portion attached to the shaft portion, which thread portion is wound from a profiled metal strip.
申请公布号
US2011286814(A1)
申请公布日期
2011.11.24
申请号
US20090935451
申请日期
2009.02.09
申请人
HETTICH ULRICH
发明人
HETTICH ULRICH
分类号
F16B25/10;B23P15/00;F16B35/00
主分类号
F16B25/10
代理机构
代理人
主权项
地址
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