Automated Clearing House Allis Chalmers Attempt Per Circuit Per Hour advanced combat helmet air changes per hour Associated Channel Header Association for Computers and the Humanities AUTO TECH AUTOMATIC CLEARING HOUSE acetaldehyde acetylcholine active chronic hepatitis adrenal cortical hormone Arkansas Children's Hospital attempts per circuit per hour ACCS Common Hardware acethylcholine acetycholine acetyicholine acetylcholine chloride acetylcholinergic acetylcholinesterase achalasia achondroplasia Acoli Acoustic Countermeasures Hardware Acrodermatitis continua of Hallopeau active chromatin hub Active Core Height actylcholine acute cerebral hemorrhage acute cholecystitis acyl-CoA hydrolase adrenocortical hormone Advanced Chain Home Agreement on the Cessation of Hostilities air change per hour Air Craft Hand allergic contact hypersensitivity alpha-Chlorohydrin
Automated Clearing House
Allis Chalmers