Stokes 真空泵叶片，密封包，阀，轴承，轴套。212H-10,412H-10149H-11412H-10,412H-11148H-10148H-10212H-10,412H-10148H-10V-013-2,017-2,023-2149H-11412J,412-14412-H11212H-10,212H-11,212-41,412H-10,412H-11013-2,017,023149H-11,412H-10,412H-11,412J-14,212H-11,412H-11212H-11212H-11146H-13,148H-10,149H-11,212H-10,212H-11412J-14,412H-11148H-10,149-11412H-11