000 00388cam a2200121u 4500
082 _a669.3
_bCOP
_cL-17, P-17
110 2 _aCopper development association. [from old catalog]
245 1 0 _aCopper and copper alloy springs.
260 _aLondon,
_bCopper development association
_c[1944]
300 _a61 p.
_bincl. front., illus., diagrs.
_c22 cm.
650 0 _aSprings (Mechanism)
942 _cBK
999 _c9269
_d9269