| 摘要 |
<p>820,856. Adjusting body height; pneumatic springs. GENERAL MOTORS CORPORATION. Jan. 2, 1958 [Jan. 18, 1957], No. 162/58. Classes 108(2) and 108(3) The description is the same as that of Specification 820,857 but the claims differ. Specification 820,858 also is referred to.</p> |
