ES30965A1 - Un aparato denominado válvula total sistema Prats por medio de la cual se evitan las explosiones de las calderas de vapor conocidas hasta la fecha.
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Un aparato denominado válvula total sistema Prats por medio de la cual se evitan las explosiones de las calderas de vapor conocidas hasta la fecha.
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Prats Codezo Serafin
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Prats Codezo Serafin
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ES30965A1902-12-291902-12-29Un aparato denominado válvula total sistema Prats por medio de la cual se evitan las explosiones de las calderas de vapor conocidas hasta la fecha.
ExpiredES30965A1
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