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发明名称
PROCEDIMIENTO DE FABRICACIËN DE ESPUMA RIGIDA DE POLIURETANO CON ADICIËN DE RESIDUOS DE CORCHO
摘要
申请公布号
ES291197(A3)
申请公布日期
1963.12.01
申请号
ES19970002911
申请日期
1963.08.28
申请人
GUTIERREZ TAPIA, JOSE
发明人
分类号
B29C33/40;B29K;C04B;C08G71/04;C08L;C09D;(IPC1-7):B29C33/40
主分类号
B29C33/40
代理机构
代理人
主权项
地址
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