ELEMENTO OBTURADOR,CONJUNTO DE VALVULA DE PASSAGEM E CONJUNTO DE CANALIZACAO,申请号BR1990PI07599-传众专利搜索

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发明名称	ELEMENTO OBTURADOR,CONJUNTO DE VALVULA DE PASSAGEM E CONJUNTO DE CANALIZACAO
摘要
申请公布号	BR9007599(A)	申请公布日期	1992.06.30
申请号	BR1990PI07599	申请日期	1990.08.16
申请人	SEYED HASSAN TABATABAI	发明人	SEYED HASSAN TABATABAI
分类号	F16K1/44;F16K41/00;(IPC1-7):F16K1/44	主分类号	F16K1/44
代理机构		代理人
主权项
地址

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