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发明名称
Procédé de fabrication, par laminage, de pièces à profil variable et appareil en permettant la réalisation
摘要
申请公布号
FR820699(A)
申请公布日期
1937.11.16
申请号
FRD820699
申请日期
1937.04.17
申请人
发明人
BENEDETTI FRANCESCO DE
分类号
B21B31/28;B21H7/00
主分类号
B21B31/28
代理机构
代理人
主权项
地址
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