Home / Standards / GB 3883.12-1991 GB 3883.12-1991 Abolished Safety of hand-held motor-operated electric tools--Part 2:Particular requirements for concrete vibrators (internal vibrators) 手持式电动工具的安全 第二部分:混凝土振动器 (插入式振动器) 的专用要求 (可供认证用) Standard Type GB ICS 25.140.20 CCS K64 Status 废止 Issue Date 1991-05-27 Implementation 1992-02-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A