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Standard Insuued on: 1990-06

JJG 645-1990    Ⅲ-mode Ultrasonic Flaw Detector for Rail
三型钢轨探伤仪检定规程
Category No.:JJ Valid Status:valid
Issued Organization:State Technical Supervision Bureau Issued Date:1990-06-20
Implemented Date:1990-12-1 Abolished Date:
Superseded Standard.: Superseded Date:
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CB/Z 205-1990   YB/T 5266-1999   YB/T 5279-1999   YB/T 5280-1999   YB/T 5278-1999   YB/T 5268-1999   GB/T 12385-1990   GB 12387-1990   GB/T 12359-1990   GB 12409-1990   GBJ 213-1990   GBJ 132-1990   GBJ 136-1990   GB/T 12360-1990   GB/T 12361-1990   GBJ 134-1990   GB/T 12362-1990   GB/T 12363-1990   GB 12367-1990   GB/T 12366.1-1990  

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