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发明名称
Tapa perfeccionada pra sifón de cloacas
摘要
申请公布号
ES61706(Y)
申请公布日期
1958.02.16
申请号
ES19060000617U
申请日期
1957.09.03
申请人
WILLMER OTTO BARTH, JAMES
发明人
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主分类号
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