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发明名称
DISPOSITIVO INDICADOR DE QUE UNA MEZCLA DE GASES ES EXPLOSIVA
摘要
申请公布号
ES160029(A1)
申请公布日期
1943.05.01
申请号
ES19290001600
申请日期
1942.12.21
申请人
RAMSEIER, WILLY ALBERT
发明人
分类号
(IPC1-7):A62
主分类号
(IPC1-7):A62
代理机构
代理人
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地址
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