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发明名称
DUMPING METHOD AT WORKING FLAT SEAMS
摘要
申请公布号
SU1745943(A1)
申请公布日期
1992.07.07
申请号
SU19904845099
申请日期
1990.06.29
申请人
PROIZV OB PO DOBYCHE UGLYA "YAKUTUGOL" RAZREZ "NERYUNGRINSKIJ"
发明人
PANKO ANTON F,SU;KUZMINOV VLADIMIR V,SU;SEREBRENNIKOV LEONID I,SU
分类号
E21C41/26
主分类号
E21C41/26
代理机构
代理人
主权项
地址
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