ES233797A1 - Disposición para evitar una extracción de gas perjudicial a la salud desde tubería de gas al no estar conectado el consumidor
- Google Patents
Disposición para evitar una extracción de gas perjudicial a la salud desde tubería de gas al no estar conectado el consumidor
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K G fur Sicherungswesen Dr Heinz Kurz
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K G fur Sicherungswesen Dr Heinz Kurz
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Priority to ES233797ApriorityCriticalpatent/ES233797A1/es
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ES233797A1957-02-211957-02-21Disposición para evitar una extracción de gas perjudicial a la salud desde tubería de gas al no estar conectado el consumidor
ExpiredES233797A1
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