ES27244A3 - Pies o cabezas de materias refractarias para mecheros de gas, con corriente o corriente automáticas de aire, que constituye un aparato.
- Google Patents
Pies o cabezas de materias refractarias para mecheros de gas, con corriente o corriente automáticas de aire, que constituye un aparato.
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ES27244A1901-01-311901-01-31Pies o cabezas de materias refractarias para mecheros de gas, con corriente o corriente automáticas de aire, que constituye un aparato.
ExpiredES27244A3
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