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发明名称
Nouvel alliage
摘要
申请公布号
FR1012639(A)
申请公布日期
1952.07.15
申请号
FRD1012639
申请日期
1950.01.11
申请人
发明人
NORMAND ALBERT-GEORGES
分类号
B23K35/22;C22C9/00
主分类号
B23K35/22
代理机构
代理人
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