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Привод к подъемным воротам
摘要
申请公布号
SU112230(A1)
申请公布日期
1957.11.30
申请号
SU19560560238
申请日期
1956.11.02
申请人
GROJSMAN A.M.
发明人
GROJSMAN A.M.
分类号
E06B3/92;E05F15/00
主分类号
E06B3/92
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