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发明名称
Perfectionnement aux châssis d'éclairage et d'aération
摘要
申请公布号
FR730938(A)
申请公布日期
1932.08.26
申请号
FRD730938
申请日期
1932.02.02
申请人
发明人
LECOUTRE LOUIS
分类号
E06B3/50
主分类号
E06B3/50
代理机构
代理人
主权项
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