Invention Grant
- Patent Title: Recirculating system for a self-contained sewage unit
- Patent Title (中): 一个自包含的单位的再生系统
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Application No.: US3478690DApplication Date: 1967-12-28
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Publication No.: US3478690APublication Date: 1969-11-18
- Inventor: HELKE ROBERT C , STURGEON WAYNE E
- Applicant: KOEHLER DAYTON
- Assignee: Koehler Dayton
- Current Assignee: Koehler Dayton
- Priority: US69432267 1967-12-28
- Main IPC: F04D3/00
- IPC: F04D3/00 ; F04D29/64 ; F04D29/70 ; F04D3/02 ; E03D11/10 ; F04B21/00
Information query
