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经营范围
发明名称
Люк к запарникам и т.п. сосудам
摘要
申请公布号
SU62380(A1)
申请公布日期
1942.11.30
申请号
SU19400002928D
申请日期
1940.12.02
申请人
SOKOLOV S.I.
发明人
SOKOLOV S.I.
分类号
F16K31/143
主分类号
F16K31/143
代理机构
代理人
主权项
地址
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