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发明名称
TWO-SCRAPER-TYPE OIL-CONTROL PISTON RING
摘要
申请公布号
SU1749520(A1)
申请公布日期
1992.07.23
申请号
SU19894765720
申请日期
1989.12.07
申请人
BRYANSKIJ TRANSPORT MASH
发明人
KUZNETSOV GENNADIJ K,SU;EGORKIN VLADIMIR T,SU;KOTELNIKOV LEV D,SU;MEDVEDEVA TATYANA D,SU
分类号
F02F5/00
主分类号
F02F5/00
代理机构
代理人
主权项
地址
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