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发明名称
Improvements in or relating to gear-cutting machines
摘要
申请公布号
GB351847(A)
申请公布日期
1931.07.02
申请号
GB19300029285
申请日期
1930.09.30
申请人
EMIL LAESSER
发明人
分类号
B23F5/14
主分类号
B23F5/14
代理机构
代理人
主权项
地址
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