BOYER LA REFERENCE

Stainless steel and carbon steel covers and frames for manholes and manways; metal reinforcements for ducts for doors or for windows; stainless steel and carbon steel doors with clamps, round, oval and rectangular stainless steel and carbon steel outer bulkhead doors furnished with a sealing closure; metal traps, namely, metal catches for use in preventing contamination in the cosmetic industry, chemical industry, pharmaceutical industry, food industry and water treatment industry; metal door units, namely, stainless steel and carbon steel trap doors in the nature of building structures equipped with a sealing closure; metal grates for use in sewers and drains used in the cosmetic industry, chemical industry, pharmaceutical industry, food industry and water treatment industry; metal doors to be sealed, metal closures for containers, metal gates