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This standard specifies the laboratory immersion corrosion test method for metal coatings in various corrosive liquid media. JB/T
This standard specifies the product classification, technical requirements, test methods, inspection rules and marking, packaging,
This standard specifies the method of using vapor phase anti-rust materials to package metal products for rust prevention. JB/T 60
This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, tr
JB/T 6066-1992 Standard test block for magnetic particle inspection JB/T6066-1992 standard download decompression password: www.bz
JB/T 6065-1992 Standard test piece for magnetic particle flaw detection JB/T6065-1992 Standard download and decompression password
This standard stipulates the most basic requirements for the B and C chromium-plated test blocks used in penetrant testing. This s
This standard specifies the technical conditions and test methods for magnetic particles used in magnetic particle flaw detection.