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发明名称
Кран
摘要
申请公布号
SU21860(A1)
申请公布日期
1931.07.31
申请号
SU19300074982
申请日期
1930.08.21
申请人
SINKOVSKIJ N.K.
发明人
SINKOVSKIJ N.K.
分类号
G01F15/00
主分类号
G01F15/00
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