1.
|
[Heidelberg, Germany] : [Springer], 1983.
English | 34 DE |
|
2.
|
[Hong Kong, China] : [China Patents & Trademarks Publications], 1987.
English | 7 CN |
|
3.
|
Buffalo, New York : The Patent and Trademark Office Society, 1976.
English | 47 US |
|
4.
|
[Heidelberg, Germany] : [Springer], 1987.
English | G 412G9418 DE 34 |
|
5.
|
Buffalo, New York : The Patent and Trademark Office Society, 1968.
English | G 41G72(413) US 47 |
|
6.
|
[Hong Kong, China] : [China Patents & Trademarks Publications], 1991.
English | 7 CN |
|
7.
|
[Heidelberg, Germany] : [Springer], 1971.
English | 34 DE |
|
8.
|
Buffalo, New York : The Patent and Trademark Office Society, 1987.
English | 47 US |
|
9.
|
Buffalo, New York : The Patent and Trademark Office Society, 1988.
English | 47 US |
|
10.
|
Buffalo, New York : The Patent and Trademark Office Society, 1973.
English | 47 US |
|