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发明名称
Improvements in screw-thread-cutting devices
摘要
申请公布号
GB609973(A)
申请公布日期
1948.10.08
申请号
GB19460009434
申请日期
1946.03.27
申请人
AKTIEBOLAGET SVENSKA PRECISIONSVERKTYG
发明人
分类号
B23B31/117;B23G1/46
主分类号
B23B31/117
代理机构
代理人
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