| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Scaffolding | |
| #2 | Nails | |
| #3 | General building constructions | |
| #4 | Roof coverings |
| Publication | Filing date | Title |
|---|---|---|
| FR2596441A1 | Traffic gateway on corrugated fibro-cement roof | |
| FR2575244A1 | Removable device for anchoring a vertical wall | |
| FR2544367A1 | Improvements on hooks for roofs | |
| FR2526502A2 | Improvement in devices for hanging a vertical wall | |
| FR2516184A1 | Improvement in devices for hanging a vertical wall |