Invention Grant
- Patent Title: Spring hammer
- Patent Title (中): 弹簧锤
-
Application No.: US11704549Application Date: 1949-09-21
-
Publication No.: US2560250APublication Date: 1951-07-10
- Inventor: ERICH ROUCKA , FRANTISEK STREIT
- Applicant: ERICH ROUCKA , FRANTISEK STREIT
- Assignee: Roucka Erich,Streit Frantisek
- Current Assignee: Roucka Erich,Streit Frantisek
- Priority: CS2560250X 1948-10-22
- Main IPC: B21J7/12
- IPC: B21J7/12
Public/Granted literature
- US07844345B2 Drug eluting lead systems Public/Granted day:2010-11-30
Information query
IPC分类:
