000 00302nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a608.3(03)
_bCAL
245 0 _aEncyclopedia of patent practice and invention management
260 _aLondon
_bReinhold
_c1964
700 _aCalvert, Robert
942 _cBK
999 _c24596
_d24596