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JB/T 13778-2020 壓縮機(jī)起動器用正溫度系數(shù)熱敏電阻芯片 Positive temperature coefficient thermistor for compres...2023-12-12

SJ 20275-1993正溫度系數(shù)熱敏電阻器總規(guī)范General specification for positive temperature coefficient them...2022-06-15

SJ 20276-1993MZ11A型正溫度系數(shù)熱敏電阻器詳細(xì)規(guī)范Detail specification for positive temprature Coefficient the...2022-06-08

JB/T 12515-2015正溫度系數(shù)(PTC)熱敏電阻合金絲2022-06-06

改性炭黑對多相聚烯烴/炭黑導(dǎo)電復(fù)合材料阻溫特性的影響2020-08-11