ES86690A1 - Procedimiento para la soldadura autógena de cobre con el empleo de un alambre con aleación de cobre que contiene un medio reductor.
- Google Patents
Procedimiento para la soldadura autógena de cobre con el empleo de un alambre con aleación de cobre que contiene un medio reductor.
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ES86690A1923-09-121923-09-12Procedimiento para la soldadura autógena de cobre con el empleo de un alambre con aleación de cobre que contiene un medio reductor.
ExpiredES86690A1
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