DB2301/T 135-2023 Standards for boarding and care services for people with intellectual, mental and severe physical disabilities of the working age group (English Version)
Heilongjiang Provincial Standard of the People's Republic of China
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DB2301/T 135-2023
DB2301/T 135-2023 history
2023DB2301/T 135-2023 Standards for boarding and care services for people with intellectual, mental and severe physical disabilities of the working age group