|
镍铬及镍铬铁合金化学分析方法 第3部分:硅的测定
Test methods for chemical analysis of Ni-Cr and Ni-Cr-Fe alloy--Part 3:Determination of silicon content
价格:¥0.00
|
|
|
|
|
|
镍铬及镍铬铁合金化学分析方法 第2部分:铬的测定
Test methods for chemical analysis of Ni-Cr and Ni-Cr-Fe alloy--Part 2:Determination of chromium content
价格:¥0.00
|
|
|
|
|
|
镍铬及镍铬铁合金化学分析方法 第1部分:镍的测定
Test methods for chemical analysis of Ni-Cr and Ni-Cr-Fe alloy--Part 1:Determination of nickel content
价格:¥0.00
|
|
|
|
|
|
铜钨电触头材料用钨粉 技术条件
Specification for tungsten powder for copper-tungsten electric contact materials
价格:¥0.00
|
|
|
|
|
|
电触头材料用银粉化学分析方法 第4部分:火焰原子吸收光谱法测定镍量
Test methods for chemical analysis of silver powder for electric contact material--Part 4:Determination of nickel content
价格:¥0.00
|
|
|
|
|
|
电触头材料用银粉化学分析方法 第3部分:邻菲罗啉分光光度法测定铁量
Test methods for chemical analysis of silver powder for electric contact material--Part 3:Determination of iron content
价格:¥0.00
|
|
|
|
|
|
电触头材料用银粉化学分析方法 第2部分:双环己酮草酰二腙分光光度法测定铜量
Test methods for chemical analysis of silver powder for electric contact material--Part 2:Determination of copper content
价格:¥0.00
|
|
|
|
|
|
煤矿井下用玻璃钢电缆桥架
Fiber-reinforced plastics cable support rack in coal mine
价格:¥0.00
|
|
|
|
|
|
双向直线焊片
Bidirectional bonding sheet in a straight line
价格:¥0.00
|
|
|
|
|
|
高电阻电热合金电阻随温度变化试验方法
Standard test method for change of resistance with temperature of high resistance alloys for electrical heating
价格:¥0.00
|
|
|
|
|