| 摘要 |
<p>1,214,565. Rotary thermal regenerators. GENERAL MOTORS CORP. 19 Sept., 1968 [9 Oct., 1967], No. 44578/68. Heading F4K. The subject matter is substantially the same as that disclosed in Specification 1,214,563 but the claims relate to the turn button arrangement for positively coupling the stiffeners to the abutting spacers. Reference has been directed by the Comptroller to Specifscation 1,118,893.</p> |
