TY  - GEN
T1  - Inventing the 20th century :100 inventions that shaped the world /
AU  - Van Dulken, Stephen,
AU  - Phillips, Andrew,
CN  - T20
ID  - 12699
KW  - Patents.
KW  - PATENTS : HISTORY
KW  - INVENTIONS
KW  - PATENT SYSTEM
SN  - 0712308660
TI  - Inventing the 20th century :100 inventions that shaped the world /
ER  -