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经营范围
发明名称
ARTICLES DE JOAILLERIE A BASE DE NITRURES
摘要
申请公布号
BE759202(A1)
申请公布日期
1971.04.30
申请号
BED759202
申请日期
申请人
E.I. DU PONT DE NEMOURS AND CY, WILMINGTON, DELAWARE, (E.U. A.),
发明人
R.K. ILER;A.B. PALMER.
分类号
C04B35/58;C22C29/00;C22C29/12;C22C29/16;(IPC1-7):A44C/;B22F/
主分类号
C04B35/58
代理机构
代理人
主权项
地址
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