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经营范围
发明名称
SPIRAL CHUTE
摘要
申请公布号
SU840405(A1)
申请公布日期
1981.06.23
申请号
SU19792816366
申请日期
1979.07.12
申请人
GORODILOV NIKOLAJ N,SU;BAKHTIN VALERIAN N,SU
发明人
GORODILOV NIKOLAJ N,SU;BAKHTIN VALERIAN N,SU
分类号
E21F13/04;(IPC1-7):E21F13/04
主分类号
E21F13/04
代理机构
代理人
主权项
地址
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