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发明名称
LAP FOR WORKING PISTON RINGS
摘要
申请公布号
SU921801(A1)
申请公布日期
1982.04.23
申请号
SU19802882315
申请日期
1980.02.14
申请人
OD KT I PO PORSHNEVYM KOLTSAM
发明人
SHCHELKUNOV EGOR E,SU;OPALINSKIJ ANATOLIJ I,SU
分类号
B24B19/11;(IPC1-7):B24B19/11
主分类号
B24B19/11
代理机构
代理人
主权项
地址
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