首页>
外国专利>
Method of manufacture of hollow scrotum and other objects are similar to the thin wall (bladder of the drum, jokes, etc.), synthetic resins such as those based on polyvinyl chloride and of its polymers
Method of manufacture of hollow scrotum and other objects are similar to the thin wall (bladder of the drum, jokes, etc.), synthetic resins such as those based on polyvinyl chloride and of its polymers
