71488216
Sep 10, 1945
Aug 5, 1947
BRONZE POWDER, ALUMINUM POWDER, COPPER POWDER, MAGNESIUM POWDER, METALS OF ALL TYPES IN POWDERED FORM, ALL OF AFOREMENTIONED METAL POWDERS BEING USED FOR MAKING INKS ALUMINUM PASTE FOR MAKING INKS, IMITATION TRANSFER GOLD LEAF, AND IMITATION TRANSFER SILVER LEAF
Environmental Control Apparatus