Invention Grant
US3450397A Apparatus for preparation of hemispherical head segments
失效
用于制备HEMISPHERICAL HEAD SEGMENTS的装置
- Patent Title: Apparatus for preparation of hemispherical head segments
- Patent Title (中): 用于制备HEMISPHERICAL HEAD SEGMENTS的装置
-
Application No.: US3450397DApplication Date: 1967-04-24
-
Publication No.: US3450397APublication Date: 1969-06-17
- Inventor: DIXON JOHN S , SMITH JOSEPH W
- Applicant: COMBUSTION ENG
- Assignee: Combustion Eng
- Current Assignee: Combustion Eng
- Priority: US63301667 1967-04-24
- Main IPC: B21D51/24
- IPC: B21D51/24 ; B23K7/00 ; B21D43/28
Information query
