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经营范围
发明名称
HEADING MACHINE
摘要
申请公布号
SU1293446(A1)
申请公布日期
1987.02.28
申请号
SU19853891931
申请日期
1985.05.05
申请人
VNI PK UGOLNYJ I "KUZNIUI"
发明人
VASILEV NIKOLAJ P,SU;SETKOV VASILIJ K,SU
分类号
E21C27/24
主分类号
E21C27/24
代理机构
代理人
主权项
地址
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