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发明名称
SCRAPER WITH GAS LUBRICATION OF BUCKET
摘要
申请公布号
SU1546568(A1)
申请公布日期
1990.02.28
申请号
SU19884411785
申请日期
1988.04.15
申请人
LE POLT I IM.M.I.KALININA;PSKOVSKIJ LE POLT I IM.M.I.KALININA
发明人
GLEBOV VADIM D,SU;TARKHOV ALBERT I,SU;IVANOVA VALENTINA M,SU;VETLITSYN ALEKSANDR M,SU
分类号
E02F3/64;E02F9/22
主分类号
E02F3/64
代理机构
代理人
主权项
地址
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