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发明名称
Деревянно-металлическая ферма
摘要
申请公布号
SU62170(A1)
申请公布日期
1941.11.30
申请号
SU19390005025
申请日期
1939.07.02
申请人
DEREVYAGIN V.G.
发明人
DEREVYAGIN V.G.
分类号
E04C3/292
主分类号
E04C3/292
代理机构
代理人
主权项
地址
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