2025-12-24 216.73.216.41
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
GB/T 656-1977 Chemical reagents--Ammonium dichromate 180.0 via email in 1~3 business day superseded,2004-5-1,1977-10-1
GB 1261-1977 Basic chemical reagents(volumetry);Anhydrous para-amino-phenyl-sulfonic acid 410.0 via email in 1~3 business day abolished2005-10-14,,1977-10-1
GB/T 692-1965 Chemical reagents--Acetamide 180.0 via email in business day abolished2005-10-14 ,,1965-10-1
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GB/T 656-1977 Chemical reagents--Ammonium dichromate 
  Issued on: 1977-02-04   Price(USD): 180.0
GB 1261-1977 Basic chemical reagents(volumetry);Anhydrous para-amino-phenyl-sulfonic acid 
  Issued on: 1977-02-04   Price(USD): 410.0
GB/T 692-1965 Chemical reagents--Acetamide 
  Issued on: 1965-01-20   Price(USD): 180.0
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