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发明名称
Amélioration à la fabrication de récipients soudés à fluides comprimés
摘要
申请公布号
FR944042(A)
申请公布日期
1949.03.24
申请号
FRD944042
申请日期
1940.08.20
申请人
发明人
SEGAL ABRAM
分类号
B21D51/24
主分类号
B21D51/24
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代理人
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