DISPOSITIVI E METODO PER LA SOSPENSIONE E L'ANCORAGGIO DI COLONNE DI TUBI PER POZZI PETROLIFERI O GASIFERI,申请号IT19880044808-传众专利搜索

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发明名称	DISPOSITIVI E METODO PER LA SOSPENSIONE E L'ANCORAGGIO DI COLONNE DI TUBI PER POZZI PETROLIFERI O GASIFERI
摘要
申请公布号	IT1225388(B)	申请公布日期	1990.11.13
申请号	IT19880044808	申请日期	1988.07.20
申请人	MAESTRAMI MARINO	发明人	MARINO MAESTRAMI
分类号	E21D;(IPC1-7):E21D/	主分类号	E21D
代理机构		代理人
主权项
地址

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