C 59.27:925-96
Fixed Reproducible Tangible Wealth of the United States, 1925-96, May 1998, (CD-ROM)
0130-U-03
980052E
980529
C 21.31:US-1998-17 A
USAPAT, Facsimile Images of United States Patents, US-1998-17A, (CD-ROM)
0260-E
C 21.31:US-1998-17 B
USAPAT, Facsimile Images of United States Patents, US-1998-17B, (CD-ROM)
C 21.31:US-1998-17 C
USAPAT, Facsimile Images of United States Patents, US-1998-17C, (CD-ROM)
C 21.31:US-1998-17 D
USAPAT, Facsimile Images of United States Patents, US-1998-17D, (CD-ROM)
C 21.31:US-1998-19 A
USAPAT, Facsimile Images of United States Patents, US-1998-19A, (CD-ROM)
C 21.31:US-1998-19 B
USAPAT, Facsimile Images of United States Patents, US-1998-19B, (CD-ROM)
C 21.31:US-1998-19 D
USAPAT, Facsimile Images of United States Patents, US-1998-19D, (CD-ROM)
C 21.31:US-1998-19 E
USAPAT, Facsimile Images of United States Patents, US-1998-19E, (CD-ROM)
C 1.88:998/5/DISC.1-2
National Trade Data Bank, The Export Connection, Disc 1-2, May 1998, (CD-ROM)
0128-L
C 21.31:US-1998-19 C
USAPAT, Facsimile Images of United States Patents, US-1998-19C, (CD-ROM)