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经营范围
发明名称
DUST TRAP
摘要
申请公布号
SU1333776(A1)
申请公布日期
1987.08.30
申请号
SU19853956723
申请日期
1985.09.25
申请人
OK BJURO KI I GIGIENY TRUDA
发明人
ANENBERG GRIGORIJ I,SU;GESHLIN LEONID A,SU
分类号
E21F5/00
主分类号
E21F5/00
代理机构
代理人
主权项
地址
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