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发明名称
MEJORAS INTRODUCIDAS
摘要
申请公布号
ES190053(A2)
申请公布日期
1950.01.01
申请号
ES19530001900
申请日期
1949.10.15
申请人
ESCOLA GARCIA, JUAN
发明人
分类号
(IPC1-7):B62
主分类号
(IPC1-7):B62
代理机构
代理人
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地址
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