United States Patent 3291888
Inventors:
Remo, Meazzi
Franco, Caldironi
Attilio, Olivieri
Publication Date:
12/13/1966
Assignee:
Remo, Meazzi
Franco, Caldironi
Attilio, Olivieri
Other Classes:
984/369, 984/328, 84/726
International Classes:
G10H1/14; G10H3/18; G10H1/06; G10H3/00