
镍及镍合金焊条
Nickel and nickel alloy covered welding electrodes
Nickel and nickel alloy covered welding electrodes
Connections with waisted stud-Nuts , extension sleeves
Connections with waisted stud-Studs
Fasteners for fine mechanics-Cross recessed tapping screws-Scrape point
Fasteners for fine mechanics-Cross recessed screws
Wrought copper and copper alloys-Extruded rods and bars
Connections with waisted stud-Tape classification
Test specimens for nonferrous diecasting alloys
Zinc alloy die castings
Magnesium alloy castings