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发明名称
Perfectionnements aux scellés à fermeture par pression
摘要
申请公布号
FR848941(A)
申请公布日期
1939.11.09
申请号
FRD848941
申请日期
1938.07.18
申请人
发明人
BAUDRY ROBERT
分类号
G09F3/03
主分类号
G09F3/03
代理机构
代理人
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