作者: A Costa
DOI:
关键词:
摘要: There is disclosed a safety container closure attachable to the neck of or tubular base secured container. The comprises screw cap which can be screwed off on and constitutes proper cover rotatably fitted upon completely overlying prevent direct access same. normally biased into position spaced apart from so that rotation has no effect but axially depressed in it coupled cap. With this coupling position, causes also thereby permitting opening closing