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发明名称
Способ автоматического переключения золотника насоса замещения
摘要
申请公布号
SU103568(A1)
申请公布日期
1956.11.30
申请号
SU19560452606
申请日期
1956.01.30
申请人
PERELMAN F.YA.
发明人
PERELMAN F.YA.
分类号
F04F1/06
主分类号
F04F1/06
代理机构
代理人
主权项
地址
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