CA1166927A1 - - Google Patents
Info
- Publication number
- CA1166927A1 CA1166927A1 CA 1166927 A1 CA1166927 A1 CA 1166927A1
- Authority
- CA
- Grant status
- Grant
- Patent type
Links
Family
ID=
Also Published As
| Publication number | Publication date | Type |
|---|---|---|
| CA1166927A (en) | 1984-05-08 | grant |
| US4319566A (en) | 1982-03-16 | grant |