000 004430000a22002050004500
001 12948
003 OSt
005 20251030153935.0
040 _cTRA
041 _a English
082 _a608
_bM514i
100 _a Meinhardt, Peter
245 _aInventions patents and monopoly
260 _aLondon
_bStevens
_c 1950
300 _axvi, 320
650 _a Manufatures
650 _a Patents
650 _a Tradeworks
942 _cBK
999 _c70119
_d70119