...minimal area of a right triangle with hypotenuse passing...
there is no description in claim 1 or in the specification that \"凹鼓形\" is a synonym of \"直径可变圆柱\". The Exam 关于这一点,稽查评论了,提到期限\ “凹面drum-shaped结构\”或\ “凹鼓形\”,当期限\ “凹鼓形\”由日语了解不包括风箱并且有确定形状时,没有描述在要求1或在\ “凹鼓形...