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发明名称
Engrenages, fraises servant à les tailler et procédé de taillage
摘要
申请公布号
FR835382(A)
申请公布日期
1938.12.20
申请号
FRD835382
申请日期
1938.03.17
申请人
GLEASON WORKS
发明人
分类号
B23F21/24
主分类号
B23F21/24
代理机构
代理人
主权项
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