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发明名称
Helical thread gauging rolls
摘要
申请公布号
US2941304(A)
申请公布日期
1960.06.21
申请号
US19560600451
申请日期
1956.07.27
申请人
MAN ALEXANDER M
发明人
MAN ALEXANDER M.
分类号
G01B3/20;G01B3/40
主分类号
G01B3/20
代理机构
代理人
主权项
地址
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