China National Standards

China Direct current membrane Industry Standards English PDF List

  •  China "Direct current membrane" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    QB/T 4689-2014 Direct current membrane air pump for aquariums and similar applications
    水族箱用及类似用途直流膜片式气泵    		 China Light Industry Standards
    Direct current membrane
    English PDF

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