Handling dry pulverulent materials
United States Patent 1616547
Inventors:
Carl, Pontoppidan
Publication Date:
02/08/1927
Assignee:
SMIDTH & CO AS F L
Other Classes:
406/56, 366/153.100, 406/135, 366/137, 366/325.200, 366/156.200, 34/586
International Classes:
B65G53/22; B65G53/48; B65G53/04; B65G53/40