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发明名称
APERFEICOAMENTOS EM E RELATIVOS A PAPEIS REFORCADOS E IMPERMEABILIZADO
摘要
申请公布号
BR7017067(D0)
申请公布日期
1973.01.18
申请号
BR19700217067
申请日期
1970.02.27
申请人
PAPEIS GOMADOS LIDER CONEXOS SA
发明人
WEILL A
分类号
主分类号
代理机构
代理人
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