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Standard Insuued on: 1993-01

GB/T 131-1993    Mechanical drawings-Surface roughness symbols and methods of indicating
机械制图 表面粗糙度符号、代号及其注法
Category No.:GB Valid Status:abolished
Issued Organization:State Qualtiy Technical Supervision Bureau Issued Date:1993-01-01
Implemented Date:1994-7-1 Abolished Date:2007-02-01
Superseded Standard.:GB/T 131-2006 Geometrical Product Specifications (GPS) - Indication of surface texture in technical Product documentation
Superseded Date:2007-2-1
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GB 14106-1993   GB/T 14719-1993   GB/T 14720-1993   GB/T 14064-1993   GB 14737-1993   GB/T 14687-1993   GB/T 14069-1993   GB/T 14110-1993   WBH 34-1993   FZ/T 10004-2008   LY/T 1083-2008   GB/T 14808-2001   YB/T 5013-1997   GB/T 14766-1993   GB 9832-1993   GB/T 14093.3-1993   GB/T 14817-1993   GB/T 14820.3-1993   GB/T 3184-1993   GB/T 14767-1993  

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