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JB/T 9220.1-1999 Chemical analysis methods for acidic slag of foundry cupola furnaces General principles and general provisions
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JB/T 9220.1-1999 JB/T 9220.1-1999 General principles and general provisions for chemical analysis of acidic slag from foundry cupo
2024-10-29 category：Machinery Industry Standard (JB)+ View
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JB/T 9219-1999 Method for determination of ultrasonic sound velocity of ductile iron
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JB/T 9219-1999 JB/T 9219-1999 Determination of ultrasonic sound velocity of ductile iron JB/T9219-1999 Standard download decompres
2024-10-29 category：Machinery Industry Standard (JB)+ View
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JB/T 9218-1999 Penetrant testing method
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This standard specifies the method of penetrant testing for inspecting surface opening defects and the classification of defect in
2024-10-29 category：Machinery Industry Standard (JB)+ View
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JB/T 9217-1999 Radiographic flaw detection method
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JB/T 9217-1999 JB/T 9217-1999 Radiographic flaw detection method JB/T9217-1999 Standard download decompression password: www.bzxz.
2024-10-29 category：Machinery Industry Standard (JB)+ View
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JB/T 9216-1999 Methods for controlling the quality of penetrant testing materials
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JB/T 9216-1999 JB/T 9216-1999 Methods for controlling the quality of materials for penetrant testing JB/T9216-1999 Standard downlo
2024-10-29 category：Machinery Industry Standard (JB)+ View
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JB/T 9215-1999 Methods for controlling radiographic image quality
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JB/T 9215-1999 JB/T 9215-1999 Methods for controlling radiographic image quality JB/T9215-1999 Standard download decompression pas
2024-10-29 category：Machinery Industry Standard (JB)+ View
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JB/T 2216-1999 Pole coil hydraulic press types and basic parameters
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This standard specifies the types and basic parameters of pole coil hydraulic presses. This standard is applicable to pole coil hy
2024-10-29 category：Machinery Industry Standard (JB)+ View
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JB/T 2205-2000 Pressure reducing valve structure length
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JB/T 2205-2000 JB/T 2205-2000 Pressure reducing valve structure length JB/T2205-2000 Standard download decompression password: www
2024-10-29 category：Machinery Industry Standard (JB)+ View
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