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发明名称
FORFARANDE FOR FRAMSTELLNING AV GANGBANA ELLER TRAPPSTEG AV GALLERDURK
摘要
申请公布号
SE394484(B)
申请公布日期
1977.06.27
申请号
SE19750004896
申请日期
1975.04.28
申请人
HEFLA BRUKS AB
发明人
MARKSTROM B A
分类号
E04F19/10;(IPC1-7):04F19/10
主分类号
E04F19/10
代理机构
代理人
主权项
地址
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