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发明名称
GUAINA CRIOGENA,VOLUMICA,A BORAGGIO FLUIDO E COPPIA FRIGORIGENA PER CONGELAMENTO RAPIDO,ATTA ALLO SPACCO DI ROCCE MARMI E SIMILARI
摘要
申请公布号
IT1155244(B)
申请公布日期
1987.01.21
申请号
IT19810018306
申请日期
1981.02.25
申请人
BENETTI MACCHINE DI ALDO & ENRICO BENETTI
发明人
BERTOLINI LEONARDO
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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