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经营范围
发明名称
POWERED ROOF SUPPORT SECTION
摘要
申请公布号
SU605019(A1)
申请公布日期
1978.04.30
申请号
SU19752126071
申请日期
1975.04.21
申请人
TULSKIJ POLT INSTITUT
发明人
KALININ MIKHAIL M,SU
分类号
E21D23/00;(IPC1-7):E21D23/00
主分类号
E21D23/00
代理机构
代理人
主权项
地址
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