| 摘要 |
1,026,749. Pressure-resisting doors. WILMOT CASTLE CO. Sept. 20, 1962 [Sept. 21, 1961; Dec. 8, 1961], No. 51216/65. Divided out of 1,026,741. Heading F2P. [Also in Division E2] The subject matter of this Specification is ' substantially the same as that of Specification 1,013,693 but the claims differ. |
