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经营范围
发明名称
Сальник с металлической набивкой
摘要
申请公布号
SU23039(A1)
申请公布日期
1931.09.30
申请号
SU19300077470
申请日期
1930.10.14
申请人
SAPRONOV A.P.
发明人
SAPRONOV A.P.
分类号
F16J15/28
主分类号
F16J15/28
代理机构
代理人
主权项
地址
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