B01D29/03,
B08B1/14,
B08B1/32,
B08B1/40,
B08B3/08,
B01D29/64,
B01D29/94
B27M3/18,
B27C9/00,
B25B11/00
A01B39/14,
A01B39/22,
A01B39/20
B65H18/10,
B65H16/06,
B65H23/198,
B65H23/34,
B65H23/032
B21D37/12,
B21D37/14,
B21D22/02
E04G5/00,
E04G5/08,
E04G7/28