@classmethod<EOL><INDENT>def get_ec_numbers(cls, entry):<DEDENT>
ec_numbers = []<EOL>for ec in entry.iterfind("<STR_LIT>"):<EOL><INDENT>ec_numbers.append(models.ECNumber(ec_number=ec.text))<EOL><DEDENT>return ec_numbers<EOL>
get list of models.ECNumber objects from XML node entry

:param entry:  XML node entry
:return: list of models.ECNumber objects