Un dispositivo de retención para hojas sueltas,申请号ES19310000449U-传众专利搜索

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发明名称	Un dispositivo de retención para hojas sueltas
摘要
申请公布号	ES44931(U)	申请公布日期	1955.01.01
申请号	ES19310000449U	申请日期	1954.11.09
申请人	REIS M., HENRY	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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