United States Patent 2838999
Inventors:
Giannino, Corsi
Publication Date:
06/17/1958
Assignee:
Bombrini, Parodi Delfino
International Classes:
F42C1/04; F42C9/10; F42C9/14; F42C9/16; F42C15/22; F42C15/26; F42C15/34; F42C15/36; F42C1/00; F42C9/00; F42C15/00
Foreign References:
| GB190726909A | | | | |
| GB191310219A | | | | |
| GB191314890A | | | | |