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Chinese National Standard Category: Turnout and steel rail expansion piece

English Title: 6.25m tongue switch of 50 kg/m steel rail (straight tongue rail of common steel rail)
Chinese Title: 每米50公斤钢轨6.25米尖轨转辙器(普通钢轨直线尖轨)
Standard No.: TB/T 404-1975
Category No.: S12
Issued by:
Issued on:
Implemented on: 2002-6-1
Status: valid
Superseded by:
Superseded on:
Abolished on:
Superseding:TB 404-1964
Word Count:7000 words
Similar Standards: TB/T 3307.8-2014   TB/T 3307.6-2014   TB/T 3307.5-2014   TB/T 3307.7-2014   TB/T 3307.1-2014   TB/T 3307.3-2014   TB/T 3307.2-2014   TB/T 3307.9-2014   TB/T 3307.4-2014   TB/T 412-2014   TB/T 3171-2007   TB/T 2477-2006   TB/T 3110-2005   TB/T 412-2004   TB/T 447-2004   TB/T 3083-2003   TB/T 439-1975   TB/T 445-1975   TB/T 429-1975   TB/T 440-1975  
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