000 00354nam a2200133Ia 4500
001 00252
008 190706s9999 xx 000 0 und d
082 _a621.437 K83
100 _aKOPPERS COMPANY INC.
245 0 _aENGINEERS HAND BOOK OF PISTON RINGS SEAL RINGS AND MECHANICAL SHAFT SEALS
260 _bK.C.I
_c1967
300 _a22X14
942 _cREF
_2DDC
999 _c9786
_d9786