| 摘要 |
<p>1505827 Compression moulding BRITISH STEEL CORP 26 March 1975 [3 April 1974] 14807/74 Addition to 1167523 Heading B5A A modification of the apparatus of Specification 1,167,523 has the pressure plate resiliently mounted above the die in its first position where the powder to be analysed is compacted into a pellet within the die.</p> |
