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发明名称
VERTICAL SHAFT LINING
摘要
申请公布号
RO95173(B1)
申请公布日期
1988.08.17
申请号
RO19860124892
申请日期
1986.10.01
申请人
INSTITUTUL DE CERCETARI
发明人
DAVID TRAIAN;DUMITRU CORNEL;BIRSAN ION;FILIPAS IOAN;BORDEAN ROMAN
分类号
E21D5/04
主分类号
E21D5/04
代理机构
代理人
主权项
地址
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