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发明名称
Nueva válvula para pelotas de goma, vejigas de fútbol y similares.
摘要
申请公布号
ES4777(U)
申请公布日期
1936.07.01
申请号
ES19770000047U
申请日期
1936.06.01
申请人
SORRÓN ZABALA, FRANCISCA
发明人
分类号
主分类号
代理机构
代理人
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