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发明名称
Discos, tapones y juntas de corcho natural con las grietas naturales obturadas.
摘要
申请公布号
ES2476(Y)
申请公布日期
1935.05.16
申请号
ES19760000024U
申请日期
1934.03.16
申请人
BOFILL, RAMIRO;MARTÍN, JUAN
发明人
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主分类号
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