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发明名称
Appareil d'examen des surfaces extérieures des tubes
摘要
申请公布号
FR1067441(A)
申请公布日期
1954.06.15
申请号
FRD1067441
申请日期
1952.12.04
申请人
MANNESMANN AKTIENGESELLSCHAFT
发明人
分类号
B21C37/30
主分类号
B21C37/30
代理机构
代理人
主权项
地址
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