United States Patent 2803975
Inventors:
Olov, Akerman
Olov, Akerman Lars
Publication Date:
08/27/1957
Assignee:
Olov, Akerman
Olov, Akerman Lars
Other Classes:
477/18, 475/151, 475/152, 475/149, 477/15, 475/153, 180/65.200
International Classes:
F16H3/72; H02P9/06; F16H3/44; H02P9/00
Foreign References:
| FR500853A | | | | |
| FR919988A | | | | |
| DE760370C | | | | |
| GB669530A | | | | |