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发明名称
DIAMOND-TIPPED NEEDLE MANUFACTURE
摘要
申请公布号
CA641645(A)
申请公布日期
1962.05.22
申请号
CAD641645
申请日期
申请人
N.V. PHILIPS GLOEILAMPENFABRIEKEN
发明人
ADRIANUS LANGENBERG;LEOPOLD M. L. J. LEBLANS;ANTONIUS C. HELWIG
分类号
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