GB/T 19471.2-2004 standard english preview version PDF file download
GB Standard Code
GB/T 19471.2-2004
Standard Category
China National Standards
GB Standard English Title
Plastics piping systems--Elastomeric-sealing-ring-type socket joints of unplasticized poly(vinyl chloride)(PVC-U)for use with PVC-U pipes--Test method for leaktightness under negative pressure
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