Safety on stairs /
| Data(s) |
02/11/1978
|
|---|---|
| Resumo |
Mode of access: Internet. |
| Formato |
bib |
| Identificador | |
| Idioma(s) |
eng |
| Publicador |
[Washington] : Dept. of Commerce, National Bureau of Standards : for sale by the Supt. of Docs., U.S. Govt. Print. Off., |
| Direitos |
Items in this record are available as Public Domain, Google-digitized. View access and use profile at http://www.hathitrust.org/access_use#pd-google. Please see individual items for rights and use statements. |
| Palavras-Chave | #Staircases #Stairs |
| Tipo |
text |
