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发明名称
Infästningsram för ventilationsgaller
摘要
申请公布号
FI28821(A)
申请公布日期
1957.01.10
申请号
FID28821
申请日期
申请人
AB SVENSKA FLAEKTFABRIKEN
发明人
BROBERG GEORG
分类号
F24F13/00;(IPC1-7):F24F13/00
主分类号
F24F13/00
代理机构
代理人
主权项
地址
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