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发明名称
YIELDING LOCK OF SPECIAL-PROFILE STOCK
摘要
申请公布号
SU1461973(A1)
申请公布日期
1989.02.28
申请号
SU19874283426
申请日期
1987.05.27
申请人
DN G PI "DNEPROGIPROSHAKHT"
发明人
PINKOVSKIJ GLEB S,SU;SIMANOVICH ANATOLIJ M,SU;KONONENKO VALERIJ K,SU;ZINKOVSKIJ SERGEJ V,SU
分类号
E21D11/22
主分类号
E21D11/22
代理机构
代理人
主权项
地址
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