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发明名称
HYDRAULIC-PNEUMATIC EJECTOR
摘要
申请公布号
SU667672(A1)
申请公布日期
1979.06.15
申请号
SU19742001652
申请日期
1974.02.25
申请人
GI PROEKTIROVANIYA NA RECHNOM TRANSPORTE "GIPRORECHTRANS"
发明人
VAVITSKIJ YURIJ ,SU;GOLDIN ERNET R,SU
分类号
E21C45/00;E02F3/88;(IPC1-7):E21C45/00
主分类号
E21C45/00
代理机构
代理人
主权项
地址
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