73313913
Jun 8, 1981
Mar 8, 1983
Sandblasting; Brick Blasting; Aluminum Oxide Blasting; Glass Bead Blasting; Shot Blasting; Protective Coating of Metal; Wire Metallizing; Powder Plasma Spraying of Machinery and Machine Parts; Grinding the ID of Hollow Objects; Grinding the OD of Hollow Objects; and Vertical Boring Mill and Lathe Machining of Machinery and Machine Parts
Treatment of Materials