View all text of Subjgrp 57 [§ 56.7801 - § 56.7807]
§ 56.7806 - Oxygen intake coupling.
The oxygen intake coupling on jet-piercing drills shall be constructed so that only the oxygen hose can be coupled to it.
View all text of Subjgrp 57 [§ 56.7801 - § 56.7807]
The oxygen intake coupling on jet-piercing drills shall be constructed so that only the oxygen hose can be coupled to it.