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经营范围
发明名称
JET NOZZLE
摘要
申请公布号
SU968469(A1)
申请公布日期
1982.10.23
申请号
SU19813275451
申请日期
1981.04.13
申请人
VOSTOCHNYJ NI GORNORUDNYJ INSTITUT
发明人
PERSHIN YURIJ S,SU
分类号
E21F5/02;(IPC1-7):E21F5/02
主分类号
E21F5/02
代理机构
代理人
主权项
地址
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