The structure of the drawing die 20 is as follows.
The drawing die 20 is used in combination with … surface of the die hole 21 of the drawing die 20 . Furthermore, these portions are not separately divided…
The structure of the drawing die 20 is as follows.
The drawing die 20 is used in combination with … surface of the die hole 21 of the drawing die 20 . Furthermore, these portions are not separately divided…