00441nam a2200133Ia 4500008004100000020001600041040001700057082002300074100002200097245011900119260003300238300001000271650002600281190328s9999||||xx |||||||||||||| ||und||  a220-99216-9  aNITILcNITIL  221sta652.4bC444C  aChambers, Harry T 0aCopying, duplication and microfilmbsystems and equipment for use in business and administrationcHarry T Chambers  aLondonbBusiness Booksc1970  a151p.  aCopyright; Microfilms