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发明名称
Procédé et dispositif pour réaliser des renflements sur des tubes métalliques
摘要
申请公布号
FR940082(A)
申请公布日期
1948.12.02
申请号
FRD940082
申请日期
1947.01.11
申请人
GILBY WIRE S. A.;COMPAGNIE DES LAMPES
发明人
分类号
B21D22/12
主分类号
B21D22/12
代理机构
代理人
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地址
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