QUANTAR

CHEMICAL PREPARATIONS USED IN DRAFTING-NAMELY, LIQUID FOR SENSITIZING THE SURFACE OF SHEET MATERIALS SUCH AS PAPER, FILMS AND CLOTHS TO RENDER THE SURFACE CAPABLE OF FORMING A MARK WHEN A WRITING FLUID IS APPLIED; WRITING FLUID FOR APPLICATION TO SAID SENSITIZED SURFACE FOR CREATING A MARK; AND ERASING LIQUID FOR ELIMINATING MARKS CREATED BY APPLYING SAID WRITING FLUID TO A SENSITIZED SURFACE; AND KITS CONSISTING OF SENSITIZING LIQUID AND ERADICATING LIQUID

DRAFTING SHEET MATERIALS-NAMELY, PAPERS, FILMS AND CLOTHS