B41L 11/06
Apparatus for directly duplicating from hectographic masters in mirror image, i.e. "wet duplicators" for producing positive copies with a flat support carrying the masters for stack duplicating with pressure rollers
Currently, there are no issues on this topic.
Find more entities like B41L 11/06
Use the Golden Query Tool to find similar entities by any field in the Knowledge Graph, including industry, location, and more.
