000 00296 am a2200121 a 4500
100 1 _aAgriculture Canada
245 1 _aHydraulic Systems
260 _aOttawa
_c1979
300 _a1-25 p.
942 _2udc
_cB
440 _aCanada Department of Agriculture. Publication No. 1665
901 _aS31467
999 _c111806
_d111806