Invention Grant
- Patent Title: Portable apparatus for analyzing gases
- Patent Title (中): 用于分析气体的便携式设备
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Application No.: US20366550Application Date: 1950-12-30
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Publication No.: US2633411APublication Date: 1953-03-31
- Inventor: FERRAINOLO JOSEPH J
- Applicant: FERRAINOLO JOSEPH J
- Assignee: Joseph J Ferrainolo
- Current Assignee: Joseph J Ferrainolo
- Priority: US20366550 1950-12-30
- Main IPC: G01N7/08
- IPC: G01N7/08
Information query
