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经营范围
发明名称
METHOD OF COILING SPRINGS HAVING SHAPED ENDS
摘要
申请公布号
SU1284643(A1)
申请公布日期
1987.01.23
申请号
SU19853963550
申请日期
1985.08.28
申请人
CHERVONENKO YURIJ N,SU
发明人
CHERVONENKO YURIJ N,SU
分类号
B21F3/027
主分类号
B21F3/027
代理机构
代理人
主权项
地址
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