NCASE
Treatment of materials for others, namely, coating and encapsulation of solid particles by a protective layer; Treatment of materials for others, namely, coating of solid particles, namely, solid catalysts and adsorbents, by a protective film layer; Treatment of materials for others, namely, encapsulation of solid particles, namely, solid catalysts and adsorbents, by a protective film layer
Abandoned · July 31, 2019 · 88554422 ·