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发明名称
Bloc pour départ de conduit de fumée et de ventilation
摘要
申请公布号
FR908623(A)
申请公布日期
1946.04.15
申请号
FRD908623
申请日期
1945.01.06
申请人
DOLZANI & LECAMP
发明人
分类号
F24F7/00
主分类号
F24F7/00
代理机构
代理人
主权项
地址
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