C 21.31:US-1998-01 A
USAPAT Facsimile Images of United States Patents, US-1998-01A, 1987-1997, (CD-ROM)
0260-E
980024E
980129
C 21.31:US-1998-01 B
USAPAT Facsimile Images of United States Patents, US-1998-01B, 1987-1997, (CD-ROM)
C 21.31:US-1998-01 C
USAPAT Facsimile Images of United States Patents, US-1998-01C, 1987-1997, (CD-ROM)
C 21.31:US-1998-02 A
USAPAT Facsimile Images of United States Patents, US-1998-02A, 1987-1997, (CD-ROM)
C 21.31:US-1998-02 C
USAPAT Facsimile Images of United States Patents, US-1998-02C, 1987-1997, (CD-ROM)
C 21.31:US-1998-02 D
USAPAT Facsimile Images of United States Patents, US-1998-02D, 1987-1997, (CD-ROM)
C 55.281/2-5:V.1/NO.10
NOAA Weather Charts, Vol. 1, No. 10, October 1994, (CD-ROM)
0274-F-03
C 1.88:998/2/DISC.1-2
National Trade Data Bank, The Export Connection, Disc 1-2, January 1998, (CD-ROM)
0128-L
C 21.31:US-1998-02 B
USAPAT Facsimile Images of United States Patents, US-1998-02B, 1987-1997, (CD-ROM)