APPARATO PERFEZIONATO DI PROVA DI PEZZI AZIONATO DALLA PRESSIONE ESI STENTE IN UN INTERCAPEDINE E RELA TIVO METODO DI FUNZIONAMENTO,申请号IT19730032030-传众专利搜索

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发明名称	APPARATO PERFEZIONATO DI PROVA DI PEZZI AZIONATO DALLA PRESSIONE ESI STENTE IN UN INTERCAPEDINE E RELA TIVO METODO DI FUNZIONAMENTO
摘要
申请公布号	IT1012533(B)	申请公布日期	1977.03.10
申请号	IT19730032030	申请日期	1973.11.30
申请人	HALLIBURTON CO	发明人
分类号	E21B34/00;E21B34/10;E21B49/00;E21B49/08;(IPC1-7):E21B/	主分类号	E21B34/00
代理机构		代理人
主权项
地址

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