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发明名称
VENTIALATION SHAFT FOR OFFSHORE OPERATIONS
摘要
申请公布号
SU994739(A1)
申请公布日期
1983.02.07
申请号
SU19813345417
申请日期
1981.10.06
申请人
LE,OP¯EHA OKTù¬PÓCKOö PEBOó½|ôô ô OP¯EHA TPÔ¯OBO×O KPACHO×O ³HAMEHô ×OPHÕö ôHCTôTÔT ôM.×.B.üóEXAHOBA
发明人
MIRZAEV GENRIKH G,SU;PROTOSENYA ANATOLIJ G,SU;BOROZNETS ALEKSANDR F,SU
分类号
E21D1/00;(IPC1-7):E21D1/00
主分类号
E21D1/00
代理机构
代理人
主权项
地址
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