Bookbinding: process and apparatus
Patent class list (only not empty are listed)
Deeper subclasses:
Class / Patent application number | Description | Number of patent applications / Date published |
---|---|---|
412009000 | APPARATUS | 225 |
412001000 | PROCESS | 150 |
Class / Patent application number | Description | Number of patent applications / Date published |
---|---|---|
412009000 | APPARATUS | 225 |
412001000 | PROCESS | 150 |