Built-up rectangular steel column for filling concrete...
Built-up roof structure and method of preparing roof structure
Built-up support member
Bulit-up roof (BUR) or modified roof assembly system
Bulk material storage facilities with access chases and/or...
Bulk silo with aerated mixing or homogenizing chamber
Bulk storage building
Bulk storage building structure
Bulk storage facility
Bulk storage vessels
Bulkhead door seal
Bulkhead structure
Bulkhead structure
Bull nose corner piece
Bullet resistant frame structure
Bullet resistant window assembly
Bullet resistant window assembly
Bulletproof glass window for use as a windscreen in a motor...
Bulletproof observation tower
Bullnose base/crown corner plug