Colorimeter

Details Colorimeter Colorimeter

1977-06-02

1979-01-16

Holtje, Nelson C.

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Food preparation type

D10 81, D1004

Patent

active

D02508109

REFERENCES:
patent: D221994 (1971-09-01), Gemmill
patent: D241042 (1976-08-01), Kupiec
patent: 3026182 (1962-03-01), Jankowski
patent: 3441352 (1969-04-01), Hughes
patent: 3565535 (1971-02-01), Monell
patent: 3676007 (1972-07-01), Kiess
Cole-Parmer Cat.-'75-'76-p. 97-colorimeter at top.

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