ES19991A1 - Un aparato para la producción, acumulación y aprovechamiento industrial del gas acetileno puro o con mezcla de otros gases.
- Google Patents
Un aparato para la producción, acumulación y aprovechamiento industrial del gas acetileno puro o con mezcla de otros gases.
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ES19991A1896-11-231896-11-23Un aparato para la producción, acumulación y aprovechamiento industrial del gas acetileno puro o con mezcla de otros gases.
ExpiredES19991A1
(es)