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发明名称
Improvements in or relating to the manufacture of screws
摘要
申请公布号
GB415371(A)
申请公布日期
1934.08.23
申请号
GB19320032677
申请日期
1932.11.18
申请人
BAUER & SCHAURTE RHEINISCHE SCHRAUBEN-UND MUTTERNFABRIK A.G.
发明人
分类号
B21H3/00;B23G7/00
主分类号
B21H3/00
代理机构
代理人
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