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发明名称
Procédé pour le renforcement de tonneaux constitués de plaques métalliques, à double repli, et tonneaux et fûts obtenus par ce procédé
摘要
申请公布号
FR819310(A)
申请公布日期
1937.10.14
申请号
FRD819310
申请日期
1937.03.17
申请人
发明人
BROERE WILLEM
分类号
B21D51/44
主分类号
B21D51/44
代理机构
代理人
主权项
地址
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