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发明名称
METHOD OF PRODUCING SPRINGS
摘要
申请公布号
SU1579613(A2)
申请公布日期
1990.07.23
申请号
SU19884484986
申请日期
1988.09.20
申请人
REDKIN LEV M,SU;POTAPOV ALEKSANDR S,SU;SELEZNEV ANDREJ P,SU
发明人
REDKIN LEV M,SU;POTAPOV ALEKSANDR S,SU;SELEZNEV ANDREJ P,SU
分类号
B21F3/04
主分类号
B21F3/04
代理机构
代理人
主权项
地址
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