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经营范围
发明名称
SCREW AERATOR
摘要
申请公布号
RU1775373(C)
申请公布日期
1992.11.15
申请号
SU19904828257
申请日期
1990.05.24
申请人
VORONEZHSKOE PROIZV OB "ELEKTROSIGNAL"
发明人
SHEREMET PAVEL Z,SU
分类号
C02F3/20;C02F103/20
主分类号
C02F3/20
代理机构
代理人
主权项
地址
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