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| International Standard Category: Temperature-measuring instruments |
GB/T 4993-1998 Nickel-Chromium/Copper-Nickel ( Constantan ) thermocouple wires
镍铬-铜镍(康铜)热电偶丝 ;
| Category No.: | 17.200.20 | Valid Status: | superseded |
| Issued Organization: | China State Bureau of Quality and Technical Supervision | Issued Date: | 1998-01-02 |
| Implemented Date: | 1999-7-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 4993-2010 Nickel－Chrominum/Copper－Nickel(Constantan) thermocouple wires |
Superseded Date: | 2011-5-1 |
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