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发明名称
Procédé d'élaboration d'alliages à faible teneur en impuretés
摘要
申请公布号
FR1146993(A)
申请公布日期
1957.11.18
申请号
FRD1146993
申请日期
1956.04.12
申请人
PITTSBURGH METALLURGICAL COMPANY, INCORPORATED
发明人
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主分类号
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