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发明名称
PNEUMATIC ENLARGER
摘要
申请公布号
SU859589(A1)
申请公布日期
1981.08.30
申请号
SU19782639955
申请日期
1978.07.07
申请人
VNII BUROVOJ TEKHNIKI
发明人
BULAKH GEORGIJ I,SU;VYSOTSKIJ VLADIMIR A,SU;LIBERMAN VLADIMIR I,SU;RYBALKA ANATOLIJ A,SU;PULCHENKO VALERIJ M,SU
分类号
E21B10/26;(IPC1-7):E21B10/26
主分类号
E21B10/26
代理机构
代理人
主权项
地址
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