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发明名称
WATER-PROOF MINE PARTITION
摘要
申请公布号
SU1456609(A1)
申请公布日期
1989.02.07
申请号
SU19874241030
申请日期
1987.04.10
申请人
GI PO PROEKTIROVANIYU PREDPRIYATIJ TSVETNOJ METALLURGII
发明人
SUBBOTIN DMITRIJ A,SU;DIKKERT ALEKSEJ G,SU;BARKOV GENNADIJ M,SU
分类号
E21F11/00
主分类号
E21F11/00
代理机构
代理人
主权项
地址
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