| 摘要 |
456,647. Aluminium and magnesium articles. SIEMENS-SCHUCKERTWERKE AKT.-GES.,Siemensstadt, Berlin. June 24, 1936, No. 17566. Convention date, June 29, 1935. [Class 83 (ii)] [See also Group XI] The tyres 50 of guide rollers 45 in an apparatus for making tubular electric heaters are made of aluminium or magnesium or alloys thereof. |
