Invention Grant
- Patent Title: Compound firing for gas-heated zone thrust furnaces
- Patent Title (中): 燃气加热区推进炉的复合燃烧
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Application No.: US17960037Application Date: 1937-12-13
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Publication No.: US2147997APublication Date: 1939-02-21
- Inventor: ARTHUR SPRENGER
- Applicant: ARTHUR SPRENGER
- Assignee: Sprenger Arthur
- Current Assignee: Sprenger Arthur
- Priority: DE2147997X 1937-03-25
- Main IPC: F27B9/22
- IPC: F27B9/22 ; F27B9/30
Public/Granted literature
- US20230140008A1 SYSTEMS AND METHODS FOR EVALUATING BIOLOGICAL SAMPLES Public/Granted day:2023-05-04
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