Home / Standards / GB/T 46756-2025 GB/T 46756-2025 Upcoming Liquid helium-free dilution refrigerator 无液氦稀释制冷机 Standard Type GBT ICS 27.200 CCS J73 Status 即将实施 Issue Date 2025-12-02 Implementation 2026-07-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A