Record Nr.

UNINA9910701875303321

Titolo

Brass compressed gas cylinder valves and associated fittings used in refuge alternatives [[electronic resource]]

Pubbl/distr/stampa


[Arlington, Va.] : , : [U.S. Dept. of Labor, Mine Safety and Health Administration], , [2010]

Descrizione fisica

1 online resource (10 unnumbered pages)

Collana

Program policy letter ; ; no. P11-V-17

Soggetti

Coal mines and mining - United States

Mines and mineral resources - United States

Mine accidents - United States

Mine safety - United States

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Title from title screen (viewed on May 24, 2012).

"Effective date 11/04/2011."

"Expiration date 03/31/2013."