Invention Grant
- Patent Title: Copper and brass plating brightener
- Patent Title (中): 铜和黄铜电镀增白剂
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Application No.: US67234757Application Date: 1957-07-17
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Publication No.: US2838448APublication Date: 1958-06-10
- Inventor: FRANCE DANIEL R
- Applicant: FRANCE DANIEL R
- Assignee: Daniel R France
- Current Assignee: Daniel R France
- Priority: US67234757 1957-07-17
- Main IPC: C25D3/40
- IPC: C25D3/40 ; C25D3/58
Information query
