Invention Grant
- Patent Title: Gas analysis
- Patent Title (中): 气体分析
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Application No.: US68780057Application Date: 1957-10-02
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Publication No.: US3009063APublication Date: 1961-11-14
- Inventor: ROEHRIG JONATHAN R
- Applicant: NAT RES CORP
- Assignee: NAT RES CORP
- Current Assignee: NAT RES CORP
- Priority: US68780057 1957-10-02
- Main IPC: G01N27/66
- IPC: G01N27/66
Information query
