GB7669-1987 GB 7669-1987 ñZ¸Ë¼ö¹q°¸§÷

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¼Ð·Ç²¤¶¡GGB 7669-1987 ñZ¸Ë¼ö¹q°¸§÷®Æ¸ÕÅç¤èªk °ê®a¼Ð·Ç(GB) GB7669-1987

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GB/T 4990-2010¼ö¹q°¸¥Î¸ÉÀv¾É½u¦Xª÷µ·Alloy wires of extension and compensating cables for thermocouplesGBT4990-2010, GB4990-2010

JB/T 9496-1999Âëëä¼ö¹q°¸¥Î¸ÉÀv¾É½u

The compensating extension wires for tungsten -- rhenium thermocouplesJBT9496-1999, JB9496-1999¾A¥Î½d³ò
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