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发明名称
METHOD OF EXTERNAL DUMP-FORMING
摘要
申请公布号
SU625038(A1)
申请公布日期
1978.09.25
申请号
SU19742033566
申请日期
1974.06.11
申请人
INST GEOTEKHNICHESKOI MEKHANI
发明人
SHAPAR ARKADIJ G,SU;BELYANKIN BORIS A,SU;SHASHENKO ALEKSANDR N,SU
分类号
(IPC1-7):E21C41/02
主分类号
(IPC1-7):E21C41/02
代理机构
代理人
主权项
地址
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