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发明名称
NOVA FORMA OU CONFIGURACAO DE CALENDARIO PERPETUO MOD. 1.
摘要
申请公布号
BR7209278(D0)
申请公布日期
1974.08.22
申请号
BR19720009278
申请日期
1972.12.29
申请人
POLIGLAS LTDA
发明人
FUCHS C
分类号
主分类号
代理机构
代理人
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