ES48437A1 - Un sistema de aparato catóptrico para el alumbrado de las costas que permite establecer diferentes señales con un solo foco luminoso.
- Google Patents
Un sistema de aparato catóptrico para el alumbrado de las costas que permite establecer diferentes señales con un solo foco luminoso.
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REY JEAN ALEXANDRE
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REY JEAN ALEXANDRE
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ES48437A1910-07-131910-07-13Un sistema de aparato catóptrico para el alumbrado de las costas que permite establecer diferentes señales con un solo foco luminoso.
ExpiredES48437A1
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