ASTMryhmien
ASTMryhmien is a term that appears to be a misspelling or a non-standard term within common technical or scientific literature. When searching for "ASTMryhmien," there is no established definition or widely recognized body of information associated with it. It is possible that "ASTMryhmien" is a portmanteau of "ASTM" and a Finnish word, such as "ryhmien," which translates to "groups." If this interpretation is correct, it might refer to groups or committees related to ASTM International, a global standards organization.
ASTM International, formerly known as the American Society for Testing and Materials, develops and publishes voluntary
Without further context, it is difficult to provide a definitive explanation of "ASTMryhmien." If the term is