000 00509cam a2200145u 4500
082 _a669.3
_bCOP
_cL-17, P-17
110 2 _aCopper development association. [from old catalog]
_944956
245 1 0 _aCopper and copper alloy springs.
260 _aLondon,
_bCopper development association
_c[1944]
300 _a61 p.
_bincl. front., illus., diagrs.
_c22 cm.
526 _a0
_b0
_c0
_d669_300000000000000_COP
526 _a0
_b0
_c0
_d669_300000000000000_COP
650 0 _aSprings (Mechanism)
_945350
942 _2ddc
_cBK
999 _c548895
_d548895