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发明名称
Dispositif émetteur-récepteur pour le sondage ultrasonore des matériaux
摘要
申请公布号
FR1546786(A)
申请公布日期
1968.11.22
申请号
FR19670124367
申请日期
1967.10.13
申请人
INSTITUT DE RECHERCHES DE LA SIDERURGIE FRANCAISE
发明人
分类号
G01N29/30
主分类号
G01N29/30
代理机构
代理人
主权项
地址
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