Invention Grant
- Patent Title: Gas-expansion refrigerator
- Patent Title (中): 气体扩张式冷冻机
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Application No.: US3431750DApplication Date: 1966-11-07
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Publication No.: US3431750APublication Date: 1969-03-11
- Inventor: LEFRANC MARCEL
- Applicant: PHILIPS CORP
- Assignee: Philips Corp
- Current Assignee: Philips Corp
- Priority: FR40592 1965-12-02
- Main IPC: F25B9/02
- IPC: F25B9/02 ; F25J1/00 ; F25J5/00
Information query
