
Plastics piping systems for hot and cold water installations — Polybutene (PB) — Part 2: Pipes AMENDMENT 1
出版:International Organization for Standardization

專家解讀視頻
Plastics piping systems for hot and cold water installations — Polybutene (PB) — Part 2: Pipes AMENDMENT 1
出版:International Organization for Standardization
專家解讀視頻