B47
B47 (Standard Specification for Copper Trolley Wire)· ASTM (United States) · 1 materials
| Designation | Material group | |
|---|---|---|
| B 47 | Copper | chevron_right |
B47 (Standard Specification for Copper Trolley Wire)· ASTM (United States) · 1 materials
| Designation | Material group | |
|---|---|---|
| B 47 | Copper | chevron_right |