| 摘要 |
<p>1,262,570. Rotary-piston engines. SOC. ANON. AUTOMOBILES CITROEN. Dec.29, 1969 [Dec.31, 1968], No. 63111/69. Heading F1F. [Also in Division C7 An A1 alloy stator for a rotary piston engine coated with nickel alumindes and oxides and carbon steel as described in Specification 1, 260, 437 is provided with a further coating of chemically or electrolytrically deposited Ni or Co, which may contain wear resistant particles.</p> |
