Invention Grant
- Patent Title: Collet chuck
- Patent Title (中): 夹头卡盘
-
Application No.: US64818023Application Date: 1923-06-28
-
Publication No.: US1520882APublication Date: 1924-12-30
- Inventor: PFUNDER EMIL L
- Applicant: NEY CO J M
- Assignee: Ney Co J M
- Current Assignee: Ney Co J M
- Priority: US64818023 1923-06-28
- Main IPC: B23B31/20
- IPC: B23B31/20
Information query
