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发明名称
Dispositif de fermeture de volets
摘要
申请公布号
FR59772(E)
申请公布日期
1954.07.19
申请号
FRD59772
申请日期
1949.11.23
申请人
发明人
DOUSSARD ALBERT
分类号
主分类号
代理机构
代理人
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