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发明名称
APERFEICOAMENTO EM TELHAS
摘要
申请公布号
BR7023602(D0)
申请公布日期
1973.01.02
申请号
BR19700223602
申请日期
1970.11.05
申请人
NETO A
发明人
NETO A
分类号
主分类号
代理机构
代理人
主权项
地址
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