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发明名称
MEJORAS INTRODUCIDAS EN LA PATENTE 117420
摘要
申请公布号
ES121752(A2)
申请公布日期
1931.03.16
申请号
ES19520001217
申请日期
1931.02.18
申请人
GOMIS Y CORNET, MANUEL
发明人
分类号
(IPC1-7):B64
主分类号
(IPC1-7):B64
代理机构
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地址
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