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发明名称
METHOD OF WORKING PARTS SUCH AS SLEEVES
摘要
申请公布号
SU990376(A1)
申请公布日期
1983.01.23
申请号
SU19802939707
申请日期
1980.06.10
申请人
RIZHSKIJ POLT INSTITUT
发明人
VEDMEDOVSKIJ VIKTOR A,SU
分类号
B21D31/04;B21K21/00;(IPC1-7):B21D31/04
主分类号
B21D31/04
代理机构
代理人
主权项
地址
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