CB 1140-1985 潜望镜镜管毛坯技术条件

潜望镜镜管毛坯规划
Specification for rough of submarine periscope tube

2008-03-17

潜艇潜望镜外镜管设计、制造技术要求
Design and manufacture technical requirements for Out tube of Submarine Periscope

2011-07-19

石油天然气工业 套管、油管、接箍毛坯及附件材料用耐蚀合金无缝管交货技术条件
Petroleum and natural gas industries—Technical delivery conditions of corrosion-resistant alloy seamless tubular products for use as casing, tubing, coupling stock and accessory material

2023-11-27