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Council of Scientific and Industrial Research (1960) A Filter for Calibrating the Wave-Length Scales of Optical Instruments such as the spectrophotometer. 65611.
Group by: Item Type | No Grouping Jump to: Patent Number of items: 1. PatentCouncil of Scientific and Industrial Research (1960) A Filter for Calibrating the Wave-Length Scales of Optical Instruments such as the spectrophotometer. 65611. |
