Abstract: There are lots of advantages by cold extrusion for straight knurlnut in a single process.
Abstract: There are lots of advantages by cold extrusion for straight knurlnut in a single process.
文摘:直纹滚花螺母采用冷挤压一次成形新工艺，成效显著。
Abstract: There are lots of advantages by cold extrusion for straight knurlnut in a single process.
文摘:直纹滚花螺母采用冷挤压一次成形新工艺，成效显著。