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经营范围
发明名称
Perfectionnements apportés aux matrices d'extrusion radiales
摘要
申请公布号
FR1515835(A)
申请公布日期
1968.03.08
申请号
FR19650021987
申请日期
1965.06.23
申请人
发明人
RICHARDS JOHN, DENT;WOLLEY HERBERT, WILLIAM, GEORGE
分类号
B21C23/02
主分类号
B21C23/02
代理机构
代理人
主权项
地址
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