Invention Grant
- Patent Title: Electrical-precipitation apparatus
- Patent Title (中): 降水装置
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Application No.: US35968429Application Date: 1929-05-01
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Publication No.: US1798964APublication Date: 1931-03-31
- Inventor: WINTERMUTE HARRY A , HEDBERG CARL W J
- Applicant: RESEARCH CORP
- Assignee: Research Corp
- Current Assignee: Research Corp
- Priority: US35968429 1929-05-01
- Main IPC: B03C3/86
- IPC: B03C3/86
Information query
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