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发明名称
PROCESSO PARA A OBTENCAO DE NOVAS MATERIAS PLASTICAS E PRODUTOS OBTIDOS
摘要
申请公布号
BR6905749(D0)
申请公布日期
1973.01.04
申请号
BR19690005749
申请日期
1969.01.22
申请人
LEFEBVRE M
发明人
LEFEBVRE M
分类号
A01C1/04;A01G9/10
主分类号
A01C1/04
代理机构
代理人
主权项
地址
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