Spectroset Trademarks

SPECTROSET-UP
Chemical element briquettes for use as standards for the field of spectroscopy
Registered  ·  April 17, 2000  ·  76027065  · 
spectroset-up
SPECTROSET-UP
Powdered Chemical Briquettes Used in Spectrochemical Analysis
Cancelled  ·  June 17, 1982  ·  73370169  ·