首页>
外国专利>
helmet for protection of the head consists of two or more mobile elements interconnected such that to put the helmet itself a variable geometry at the time of wear which performs his wasprotective nzione and in which it extracts
helmet for protection of the head consists of two or more mobile elements interconnected such that to put the helmet itself a variable geometry at the time of wear which performs his wasprotective nzione and in which it extracts
