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发明名称
PERFECCIONAMIENTOS INTRODUCIDOS EN EL OBJETO DE LA PATENTE PRINCIPAL NuMERO 185750
摘要
申请公布号
ES187080(A2)
申请公布日期
1949.04.16
申请号
ES19800001870
申请日期
1949.02.16
申请人
HOZ BEL, MARIANO DE LA/ZAPATA TEJEDOR, FRANCISCO/BERGAZ SANTOS, JOSE
发明人
分类号
(IPC1-7):B28;E04
主分类号
(IPC1-7):B28
代理机构
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