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发明名称
UTENSILE PER LA PERFORAZIONE DELLA ROCCIA,MANUALE ED ELETTRICO,PER LA MESSA IN OPERA ELETTRODI IN CERAMICA UTILIZZANTI NELLE PRESPEZIONI GE ELETTRICHE
摘要
申请公布号
IT1210161(B)
申请公布日期
1989.09.06
申请号
IT19850040421
申请日期
1985.04.26
申请人
STABILE ANGELO
发明人
STABILE ANGELO
分类号
E21B;(IPC1-7):E21B/
主分类号
E21B
代理机构
代理人
主权项
地址
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