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经营范围
发明名称
Procédé pour ménager dans un axe d'acier parachevé, d'un diamètre maximum de 6 mm, des rainures axiales uniformément réparties.
摘要
申请公布号
BE573977(A1)
申请公布日期
1959.06.17
申请号
BE19580573977
申请日期
1958.12.17
申请人
N.V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
(IPC1-7):B23D
主分类号
(IPC1-7):B23D
代理机构
代理人
主权项
地址
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