发明授权
EP0745721B1 Stock feed system for a multi-layer headbox and method in the operation of a multi-layer headbox 失效
Faserbreizuführsystem用于多层流浆箱和操作这种流浆箱的方法

Stock feed system for a multi-layer headbox and method in the operation of a multi-layer headbox
信息查询
0/0