1.
|
New York : W.H. Freeman, c1987.
English | G 28 VLE.G |
Available |
|
2.
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Vienna [Austria] : Austrian Patent Office, 1981.
English | E 2317G170 WIPO.VTC 1981 |
Available |
|
3.
|
Weinheim : Verlag Chemie, 1977.
English | G 2 ULL.S |
Available |
|
4.
|
[Heidelberg, Germany] : [Springer], 1974.
English | 34 DE |
Available |
|
5.
|
Ottawa, Ontario : Intellectual Property Institute of Canada, 1987.
English | 4 CA |
|
6.
|
[Hong Kong, China] : [China Patents & Trademarks Publications], 1986.
English | 7 CN |
|
7.
|
Buffalo, New York : The Patent and Trademark Office Society, 1974.
English | 47 US |
|
8.
|
[Hong Kong, China] : [China Patents & Trademarks Publications], 1988.
English | 7 CN |
|
9.
|
Buffalo, New York : The Patent and Trademark Office Society, 1978.
English | 47 US |
|
10.
|
Buffalo, New York : The Patent and Trademark Office Society, 1978.
English | 47 US |
|