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经营范围
发明名称
Perfectionnements apportés aux calorifères
摘要
申请公布号
FR976872(A)
申请公布日期
1951.03.23
申请号
FRD976872
申请日期
1948.10.22
申请人
发明人
LAGUILHARRE PIERRE-ROBERT
分类号
F24D5/00
主分类号
F24D5/00
代理机构
代理人
主权项
地址
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