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发明名称
Procédé et appareil pour le contrôle par ultra-sons des soudures bout à bout de corps cylindriques creux
摘要
申请公布号
FR1142992(A)
申请公布日期
1957.09.25
申请号
FRD1142992
申请日期
1955.07.01
申请人
SOCIETE FRANCAISE DES CONSTRUCTIONS BABCOCK & WILCOX
发明人
分类号
G01N29/26
主分类号
G01N29/26
代理机构
代理人
主权项
地址
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