000 00393pam a2200157a 44500
008 140414b1981 xxu||||| |||| 00| 0 eng d
082 _a621.815
_bPEN
110 _aPENTON PUBLICATION
245 _aMachine Design
_c
260 _aUSA
_bPENTON/IPC PUBLICATION
_c1981
300 _a160p.
650 _a PENTON
650 _aMACHINE DESIGN
690 _aMECHANICAL ENGINEERING
906 _a40739
999 _c38599
_d38599