分面浏览:发表日期 |
当前检索式 | ((ALL:OXYGEN)) |
限定条件 | ((内容类型:专利)) |
2022 1 | 2020 1 | 2019 3 |
2018 8 | 2017 3 | 2016 10 |
2015 14 | 2014 7 | 2013 8 |
2012 13 | 2011 12 | 2010 6 |
2009 6 | 2008 7 | 2007 3 |
2006 1 | 2005 4 | 2004 9 |
2003 7 | 2002 6 | 2001 3 |
2000 4 | 1999 1 | 1998 4 |
1997 1 | 1996 2 | 1993 3 |
1992 8 | 1991 3 | 1990 3 |
1989 3 | 1988 9 | 1987 2 |
1986 3 | 1985 4 | 1984 4 |
1983 5 | 1982 1 | 1981 1 |
1980 1 | 1978 2 | 1977 1 |
1976 2 | 1967 1 |