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发明名称
CARUCIOR DE PERFORAT IN EVANTAI
摘要
申请公布号
RO93433(A2)
申请公布日期
1988.01.30
申请号
RO19850119450
申请日期
1985.07.08
申请人
UZINA DE UTILAJ MINIER SI REPARATII,RO
发明人
TIPLEA VASILE,RO;FRENTIU TEOFIL,RO;FIRTEA GHEORGHE,RO;JURJE IOAN,RO
分类号
E21C25/58;(IPC1-7):E21C11/02
主分类号
E21C25/58
代理机构
代理人
主权项
地址
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