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发明名称
DEVICE FOR CLEANING SURFACES
摘要
申请公布号
RU2041703(C1)
申请公布日期
1995.08.20
申请号
SU19914930372
申请日期
1991.04.01
申请人
SAMARSKIJ GOSUDARSTVENNYJ TEKHNICHESKIJ UNIVERSITET
发明人
VOLGINA ELENA YU;KALMYKOV YURIJ A
分类号
A47L1/08;(IPC1-7):A47L1/08
主分类号
A47L1/08
代理机构
代理人
主权项
地址
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