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发明名称
Procédé pour la fermeture étanche de récipients à l'abri de l'air
摘要
申请公布号
FR729117(A)
申请公布日期
1932.07.19
申请号
FRD729117
申请日期
1931.12.31
申请人
发明人
DESJARDIN MARCEL
分类号
B21D51/26
主分类号
B21D51/26
代理机构
代理人
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