00398nam a2200133Ia 450000500170000008000180001710000220003524500840005726000600014130000150020158300190021694200120023599900170024720260716043050.0  a04.01.01 L153  aLadas, Stephen P.  aPatents, trademarks, and related rights : national and international protection  bHarvard University P.aCambridge, MassachusettsUSc1975  axv, 823 p.  c3/7/00kM2LMGR  cMmL153  c39660d39660