1.
|
Vienna [Austria] : Austrian Patent Office, 1981.
English | E 2317G170 WIPO.VTC 1981 |
Available |
|
2.
|
Geneva [Switzerland] : World Intellectual Property Organization, 1982.
Russian | E 224:395(R) |
Available |
|
3.
|
Geneva [Switzerland] : World Intellectual Property Organization, 1979.
English | E 2354G13291 WIPO.BJ/IPC |
Available |
|
4.
|
Vienna [Austria] : Austrian Patent Office, 1980.
English | E 2317G170 WIPO.VTC 1980 |
Available |
|
5.
|
Vienna [Austria] : Austrian Patent Office, 1977.
English | E 2317G170 WIPO.VC 1977 |
|
6.
|
Vienna [Austria] : Austrian Patent Office, 1977.
English | E 2317G170 WIPO.VC 1977 |
|