ES146447A1 - Un procedimiento de aislar conductores eléctricos desnudos, con una o varias capas de hilo o cinta de seda o lana de vidrio.
- Google Patents
Un procedimiento de aislar conductores eléctricos desnudos, con una o varias capas de hilo o cinta de seda o lana de vidrio.
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Tresmafil S A
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Tresmafil S A
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Priority to ES146447ApriorityCriticalpatent/ES146447A1/es
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ES146447A1939-01-121939-01-12Un procedimiento de aislar conductores eléctricos desnudos, con una o varias capas de hilo o cinta de seda o lana de vidrio.
ExpiredES146447A1
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