CORC
当前检索式 ((ALL:FLATNESS))
限定条件 ((内容类型:专利))
共26条,第1-26条
2015 4 2011 2 2009 6
2008 1 2006 1 2005 1
2003 1 2002 1 2001 3
1998 1 1997 1 1996 2
1995 1 1993 1 1992 4
1991 6 1990 2 1989 3
1988 2 1987 1 1986 4
1985 5 1984 3 1983 1
1982 1 1980 1

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