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摘要
申请公布号
SU110448(A2)
申请公布日期
1957.11.30
申请号
SU19570574802
申请日期
1957.06.14
申请人
CHERNIKHOVSKIJ I.N.
发明人
CHERNIKHOVSKIJ I.N.
分类号
G05D16/06;F16K31/60
主分类号
G05D16/06
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