344876.0010 - REFRACTORY MATERIALS: INSULATING FIRE BRICKS,... Eff: 30APR2010

Commodity Description:
REFRACTORY MATERIALS, VIZ: Insulating Fire Bricks,
Mineral Insulations and/or Clay Refractory Mortars, N.O.S.

Effective 30APR2010
Filed 30APR2010
Filing Codes IR

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