COBERTURA RIGIDA RETRATIL PARA VAGOES,申请号BR1989MU01289U-传众专利搜索

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发明名称	COBERTURA RIGIDA RETRATIL PARA VAGOES
摘要
申请公布号	BR6901289(U)	申请公布日期	1991.05.14
申请号	BR1989MU01289U	申请日期	1989.07.11
申请人	COMPANHIA SIDERURGICA NACIONAL;INSTITUTO DE PESQUISAS TECNOLOGICAS DO ESTADO DE SAO PAULO S.A. - IPT.	发明人	FERNANDO HENRIQUE DE ALMEIDA SOBRAL;ERNESTO FREIRE PICHLER
分类号	B61D39/00;(IPC1-7):B61D39/00	主分类号	B61D39/00
代理机构		代理人
主权项
地址

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