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经营范围
发明名称
METHOD OF CEMENTING ROCK
摘要
申请公布号
SU1467193(A1)
申请公布日期
1989.03.23
申请号
SU19874251789
申请日期
1987.04.15
申请人
SPETSIALIZIROVANNYJ PROEKTNO-IZYSKATELSKIJ EX-K I "GIDROSPETSPROEKT"
发明人
RYUMINA TAMARA N,SU;TUZHIKHIN GENNADIJ G,SU
分类号
E21D1/16
主分类号
E21D1/16
代理机构
代理人
主权项
地址
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