ICS03.080.01CCSA20MZ中华人民共和国民政行业标准MZ/T190—2021养老机构服务礼仪规范Serviceetiquettenormsforseniorcareorganization2021-12-10发布2022-01-01实施中华人民共和国民政部发布MZ/T190—2021I目次前言.......................................................................................................................................................................II1范围...........................
