Invention Grant
- Patent Title: Process of making nitrates
- Patent Title (中): 制造硝酸盐的过程
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Application No.: US45920321Application Date: 1921-04-07
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Publication No.: US1460898APublication Date: 1923-07-03
- Inventor: HEINRICH HAMPEL
- Applicant: HEINRICH HAMPEL
- Assignee: Hampel Heinrich
- Current Assignee: Hampel Heinrich
- Priority: US45920321 1921-04-07
- Main IPC: C01D9/12
- IPC: C01D9/12 ; C01G1/08
Information query
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