00687nam a2200241 4500 20260611181815.0 260611b |||||||| |||| 00| 0 eng d BAAB eng Caja 4 American Petroleum Institute, API 105 Spec 7HU2 Oilfield Hammer Unions: API Specification 7HU2 1ra. Washington : American Petroleum Institute, API, 2022 42 p. Contiene Errata 1, marzo 2022 Normalización 106 Normas técnicas 126 Uniones martillo 63118 ddc 0 NORMA 198723 198723 0 0 ddc 0 0 265762 BAAB BAAB Caja 4 2026-06-11 0 Caja 4 2026-06-11 16:42:00 2026-06-11 NORMA