Enviado por Igor Alexeyev el 06 de Abril de 19103 a las 22:35:40:
CENOSPHERES, SODIUM LIGNOSULFONATES, SUPERPLASTICIZER FOR CONCRETE, SILICA FUME, CONCRETE ADMIXTURES, PIESOELECTRIC CRYSTALS FROM RUSSIA. http://alexeyev.boom.ru E-mail: alexeevs@mail.ru Tel & Fax in Russia 7 0852 567256