Home / Standards / GB/T 29655-2025 GB/T 29655-2025 Active Strip-casting neodymium iron boron alloy flakes 速凝钕铁硼合金薄片 Standard Type GBT ICS 77.120.99 CCS H65 Status 现行 Issue Date 2025-08-29 Implementation 2026-03-01 Responsible Dept 国家标准委 Drafting Unit N/A