Cart:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 3770-1983 |
Determination of sound power Level for noise emitted by woodworking machinery 木工机床噪声声功率级的测定 |
China National Standards Level |
 English PDF |
| GB/T 3238-1982 |
Acoustical Levels and refrence quantities 声学量的级及其基准值 |
China National Standards Level |
English PDF |
| Find out:402Items | To Page of: First -Previous-Next -Last | 1 2 3 |
+86-755-25831330
