Invention Grant
- Patent Title: Furnace structure
- Patent Title (中): 炉结构
-
Application No.: US3550919DApplication Date: 1968-11-13
-
Publication No.: US3550919APublication Date: 1970-12-29
- Inventor: COOPER HAL B H
- Applicant: COOPER HAL B H
- Assignee: Hal B H Cooper
- Current Assignee: Hal B H Cooper
- Priority: US77526068 1968-11-13
- Main IPC: C01B13/22
- IPC: C01B13/22 ; C10G9/20 ; C22B34/12 ; F23L15/04
Information query