Model JO415 DC microammeter is suitable for students to measure weak current and slimelectric potenial in laboratory of middle school and polytechnic school.
JO415型直流
培计适用于中
、中专
实
，
测微弱电势用。
(培)计Model JO415 DC microammeter is suitable for students to measure weak current and slimelectric potenial in laboratory of middle school and polytechnic school.
JO415型直流培计适用于中、中专实，测微弱电势用。
JO415型直流培计适用于中
、中专
实
，
测微弱电势用。
Model JO415 DC microammeter is suitable for students to measure weak current and slimelectric potenial in laboratory of middle school and polytechnic school.
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