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发明名称
Moyen permettant l'ouverture rationnelle des enveloppes
摘要
申请公布号
FR997149(A)
申请公布日期
1952.01.02
申请号
FRD997149
申请日期
1949.10.12
申请人
OPERA-MUNDI
发明人
分类号
B65D27/38
主分类号
B65D27/38
代理机构
代理人
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