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LENNART HAMMARSTEDT
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LENNART HAMMARSTEDT
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Application filed by LENNART HAMMARSTEDTfiledCriticalLENNART HAMMARSTEDT
Priority to ES421504ApriorityCriticalpatent/ES421504A1/es
Publication of ES421504A1publicationCriticalpatent/ES421504A1/es
ES421504A1973-12-151973-12-15Perfeccionamientos en un dispositivo valvular para sistemasde calefaccion central de agua caliente.
ExpiredES421504A1
(es)