Casing Bow-spring Centralizers, Seventh Edition
套管弓形弹簧扶正器 第七版

2021-03-01

Petroleum and natural gas industries. Casing centralizers-Bow-spring casing centralizers
石油和天然气工业 套管扶正器

2002-10-15

石油天然气工业 套管扶正器 第1部分 弓形弹簧套管扶正器
Petroleum and natural gas industries-Casing centralizers-Part 1:Bow-spring casing centralizers

2005-07-04

석유 및 천연 가스 산업－유정 혼합 장치－제1부：케이싱 보 스프링 센트럴라이저
石油和天然气工业 - 设备固井 - 第1部分:套管弓形弹簧扶正

2015-12-21

석유와 천연가스 산업 — 웰 시멘팅용 장비 —제1부: 케이싱 보‒스프링 센트럴라이저
石油和天然气工业.固井设备.第1部分:套管弓形弹簧扶正器

2022-07-01

Oil and gas industries including lower carbon energy — Equipment for well cementing — Part 1: Casing bow-spring centralizers
低碳能源等油气工业固井设备第1部分:套管弓形弹簧扶正器

2024-08-30

Petroleum and natural gas industries - Casing centralizers - Part 1: Bow-spring casing centralizers (ISO 10427-1:2001); German and English version EN ISO 10427-1:2001
石油和天然气工业套管扶正器第1部分:弓形弹簧套管扶正器；德语和英语版本EN ISO 10427-1:2001

2003-07-01

COMPASS, DRAFTING, PIVOT, DROP SPRING BOW, PEN & PENCIL, WITH CASE (SUPERSEDING A-A-50201)
罗盘、绘图、枢轴、弹簧弓、笔和铅笔 带外壳（替代A-A-50201）

1988-05-18

COMPASS, DRAFTING, PIVOT, DROP SPRING BOW: PEN AND PENCIL, WITH CASE (S/S BY A-A-50201A)
罗盘、绘图、枢轴、弹簧弓:钢笔和铅笔 带箱子（S/S由A-A-50201A提供）

1977-04-25