首页>
外国专利>
Application by a special method of the cellophane on printing, lithographically printing, chromos, etc, and fixing to metal, for a special folding, which can be adjusted to the voltage of the paper.
Application by a special method of the cellophane on printing, lithographically printing, chromos, etc, and fixing to metal, for a special folding, which can be adjusted to the voltage of the paper.