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Una nueva bolsa para agua caliente, deformable bajo la presión y temperatura del agua, caracterizada esencialmente por estar constituida por dos láminas de material termoplástico, muy finas, soldadas entre sí, por la acción de una fuente de energía térmica, efectuada sobre todo el contorno de dichas láminas, afectando tal soldadura a todo el cuerpo y a los lados de la embocadura, que por esta razón puede tener cualquier forma y amplitud.
ES0057340U1956-11-161956-11-16Nueva bolsa para agua caliente
ExpiredES57340Y
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