72192992
May 8, 1964
Mar 21, 1967
RELATIVELY STIFF HEAVY TWINE OR CORD COMPOSED MAINLY OF TEXTILE FIBRES COATED WITH A COMPOSITION THAT BURNS AT A CONTROLLED RATE OF SPEED, AND USED FOR IGNITING ANY IGNITABLE ARTICLES IN CONTACT THEREWITH, SUCH AS A CHARGE OF EXPLOSIVE, OR USED FOR IGNITING SAFETY FUSES OR THE LIKE
Electrical and Scientific Apparatus