CORC
当前检索式 ((ALL:Contact formation))
限定条件 ((内容类型:专利))
共29条,第1-29条
2018 1 2016 1 2015 2
2011 1 2006 1 2004 1
2003 3 2002 1 2000 1
1999 2 1998 1 1997 1
1996 1 1995 1 1993 2
1992 11 1991 4 1990 7
1989 16 1988 10 1987 7
1986 12 1985 3 1984 4
1982 1 1979 1 1977 1
1976 1 1975 1

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