ENCOFRADO TUNEL RETRACTIL.,申请号ES19710168497U-传众专利搜索

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发明名称	ENCOFRADO TUNEL RETRACTIL.
摘要
申请公布号	ES168497(Y)	申请公布日期	1972.05.01
申请号	ES19710168497U	申请日期	1971.04.30
申请人	SOCIETE BUILDINGS EQUIPMENTS CORPORATION	发明人
分类号	E04G;E21D	主分类号	E04G
代理机构		代理人
主权项
地址

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