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发明名称
Задвижка для вакуумных аппаратов
摘要
申请公布号
SU107786(A1)
申请公布日期
1957.11.30
申请号
SU19560563387
申请日期
1956.12.26
申请人
RUDNEV E.V.
发明人
RUDNEV E.V.
分类号
F16K7/18
主分类号
F16K7/18
代理机构
代理人
主权项
地址
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