B型双铂铑热电偶SBWRR-430

镀膜机真空炉B型热电偶WRR-131

耐高温B型热电偶WRR-130

WRR-430 B型铂铑热电偶 *

B型双铂铑刚玉管热电偶WRR-230-铂铑热电偶

*耐高温双支B型铂铑热电偶WRR2-230

钢化炉耐高温B型铂铑热电偶WRR2-231

氮化炉热电偶B型铂铑热电偶WRR-130

刚玉管铂铑热电偶钢铁玻璃厂B型双铂铑热电偶

窑炉测温B型双铂铑热电偶WRR-230

99沈阳刚玉热电偶1600度B型双铂铑热电偶

电弧炉控熔炼B型双铂铑热电偶WRR-130