TCVN 6911-2005
Permissible electrical detonator for use in underground mine in present of methane gas.Safety testing method

Standard No.

TCVN 6911-2005

Release Date

2005

Published By

VN-TCVN

Latest

TCVN 6911-2005

TCVN 6911-2005 history

• 2005 TCVN 6911-2005 Permissible electrical detonator for use in underground mine in present of methane gas.Safety testing method