Carbon or similar copying paper in rolls of a width  36 cm or in rectangular ((including square) sheets with at least one side  36 cm in an unfolded state

Carbon or similar copying paper in rolls of a width 36 cm or in rectangular ((including square) sheets with at least one side 36 cm in an unfolded state

Wet carbon paper processing, wet carbon papers, electrodes prepared from such wet arbors papers, and capacitors prepared from such electrodes.

The carbon rods had to be replaced every one or two hours.

A method for fabricating thin, flat carbon electrodes by infiltrating highly porous carbon papers, membranes, felts, metal fibers/powders, or fabrics with an appropriate carbon foam precursor material.

Carbon papers should be replaced after every week or two.

Carbon paper, self-copy paper and other copying or transfer papers (including coated or impregnated paper for duplicator stencils or offset plates), whether or not printed, in rolls or sheets 0.12

Carbon paper, self-copy paper and other copying or transfer papers (including coated or impregnated paper for duplicator stencils or offset plates), whether or not printed, in rolls or sheets

Carbon paper, self-copy paper and other copying or transfer papers (including coated or impregnated paper for duplicator stencils or offset plates whether or not printed, in rolls or sheets.

Carbon-paper, self-copy paper and other copying or transfer papers (other than those of heading 4809), duplicator stencils and offset plates, of paper, whether or not put up in boxes

Carbon paper, self-copy paper and other copying or transfer papers (other than those of heading No 4809), duplicator stencils and offset plates, of paper, whether or not put up in boxes