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发明名称
Прибор для испытания формовочной земли на газонепроницаемость
摘要
申请公布号
SU34800(A1)
申请公布日期
1934.02.28
申请号
SU19330127197
申请日期
1933.04.14
申请人
LORENTS V.F.
发明人
LORENTS V.F.
分类号
G01N15/08
主分类号
G01N15/08
代理机构
代理人
主权项
地址
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