China National Standards

China Amphoteric ion Industry Standards English PDF List

  •  China " Amphoteric ion" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    SY/T 5695-1995 (Amphoteric ion polymer drilling fluid viscosity reducer XY27)
    钻井液用两性离子聚合物降粘剂XY27    		 China Oil & Gas Industry Standards
    Amphoteric ion
    English PDF

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