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经营范围
发明名称
Procédé de fabrication d'un tube cylindrique et tube obtenu par ce procédé.
摘要
申请公布号
CH295746(A)
申请公布日期
1954.01.15
申请号
CHD295746
申请日期
1951.06.14
申请人
HUET,ANDRE
发明人
HUET,ANDRE
分类号
B21C37/28
主分类号
B21C37/28
代理机构
代理人
主权项
地址
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