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经营范围
发明名称
Appareil utilisant le vide pour la fermeture des jarres, pots, etc.
摘要
申请公布号
FR917757(A)
申请公布日期
1947.01.21
申请号
FRD917757
申请日期
1942.07.13
申请人
发明人
GRANVAL ALEXANDRE-JEAN-LEON
分类号
B67B3/24
主分类号
B67B3/24
代理机构
代理人
主权项
地址
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