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发明名称
Improvements in or relating to wear resistant bodies
摘要
申请公布号
GB675265(A)
申请公布日期
1952.07.09
申请号
GB19470011457
申请日期
1947.04.29
申请人
N.V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
C22C38/14
主分类号
C22C38/14
代理机构
代理人
主权项
地址
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