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发明名称
Procédé de fabrication d'un panneau constitué par deux plaques soudées ensemble, entre lesquelles sont aménagés des passages formés par dilatation, presse pour la mise en oeuvre de ce procédé et panneau obtenu au moyen de ce Procédé
摘要
申请公布号
CH337482(A)
申请公布日期
1959.04.15
申请号
CHD337482
申请日期
1956.11.01
申请人
REYNOLDS METALS COMPANY
发明人
RONALD STAPLES,PAUL
分类号
B21D53/04
主分类号
B21D53/04
代理机构
代理人
主权项
地址
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