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Priority to MX804978UpriorityCriticalpatent/MX4191E/es
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MX804978U1978-03-281978-03-28Mejoras a un instrumento electronico digital para indicacion de parametros tales como tension corriente o similares
MX4191E
(es)
Caixa para eletrodo substancialmente retangular para pilha eletrolitica do tipo de diafragma;e processo de formar uma caixa adaptada para cobrir um eletrodo substancialmente retangular