00741nam a2200193Ia 4500 133030 BIBL 20240725062722.0 931025|||||||||pr b ||||||||||1||spa|d Puerto Rico. Negociado de Estadísticas del Trabajo. Local 155382 Manufactura de productos de concreto y piedra. Manufacture of concrete and stone products... [San Juan, P.R.] División de Análisis de Salarios y Estudios Ocupacionales 19- v. tables. With appedncies and explantory notes. Part of text in Egnlish. Concrete products. Local 79273 Stone industry and trade. Local 174752 Puerto Rico Local 155382 112405 112405 0 0 ddc 0 691_300000000000000_N384ESTM 0 ci 175259 10 10 B 2016-05-27 v.24 no. 8 1970 201995 0 691.3 N384(Es-T)m 80000001447690 2016-05-27 00:00:00 r:133030 z:NCC:D 6 0 0 ddc 0 691_300000000000000_N384ESTM 0 ci 175263 10 10 B 2016-05-27 v.16 no.4 1962 Feb. 201994 0 691.3 N384(Es-T)m 80000001447427 2016-05-27 00:00:00 r:133030 z:NCC:D 6