Invention Grant
- Patent Title: Smoke hood for electric furnaces and the like
- Patent Title (中): 电炉等的烟罩
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Application No.: US6001760Application Date: 1960-10-03
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Publication No.: US3138649APublication Date: 1964-06-23
- Inventor: ENRICO ERNI
- Applicant: VON ROLL AG
- Assignee: Von Roll Ag
- Current Assignee: Von Roll Ag
- Priority: CH7907259 1959-10-06
- Main IPC: B08B15/02
- IPC: B08B15/02 ; C21C5/40 ; F27D17/00
Information query
IPC分类: