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794 86 covenin

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norma Venezolana Higiene Frigoríficos Industriales

536-94 COVENIN

532-68 Covenin

COVENIN - 187-92

Norma Covenin 2941_2000

COVENIN 2333-93

Trabajo Covenin

COVENIN 2000_92

sencamer.gob.vesencamer.gob.ve/sencamer/normas/355-94.pdf · COVENIN 28-93 COVENIN 277-92 COVENIN 337-78 COVENIN 338-79 COVENIN 339:1994 COVENIN 340-79 COVENIN 342-79 Cemento Portland

Covenin 493 92

COVENIN 2552-99

Covenin 1977-1983

COVENIN 823-88

COVENIN 2500-93

COVENIN Manejo materiales

COVENIN 2044-83

normas covenin

covenin 1976-03

covenin catalago

Covenin 1650-89

covenin 373-82

COVENIN 391-74

covenin mantequilla

covenin 332-80

Covenin 504A-83

Covenin 2606-95

Normas covenin indust

COVENIN 1670-97

794 86 Covenin

TENSIONES NORMALIZADAS COVENIN

COVENIN 3049

covenin 604-93

COVENIN 2218

covenin 1753

COVENIN 2632-91

COVENIN 4004-00