Invention Grant
- Patent Title: Color-matching device
- Patent Title (中): 配色设备
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Application No.: US37543941Application Date: 1941-01-22
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Publication No.: US2297282APublication Date: 1942-09-29
- Inventor: BELDEN CHARLES W
- Applicant: AMERICAN LINEN COMPANY
- Assignee: American Linen Company
- Current Assignee: American Linen Company
- Priority: US37543941 1941-01-22
- Main IPC: G01J3/52
- IPC: G01J3/52
Information query
