73023187
Jun 3, 1974
Mar 4, 1975
MARINE ELECTRONIC APPARATUS-NAMELY, SONAR APPARATUS FOR INDICATING THE DEPTH OF WATER AND THE DEPTH OF OBJECTS-NAMELY, FISH; INSTRUMENTS FOR MEASURING THE TEMPERATURE AND DEPTH OF WATER; BRACKETS FOR USE ON BOATS TO SUPPORT ELECTRONIC INSTRUMENTS-NAMELY, SONAR APPARATUS
Electrical and Scientific Apparatus