| 摘要 |
846,800. Pipe couplings. BENDIX AVIATION CORPORATION. May 5, 1958 [June 6, 1957], No. 30139/59. Divided out of 846,799. Drawings to Specification. Class 99(1). The subject-matter of this Specification is identical with that described in Specification 846,799 but the claims are concerned with automatically operated valves in the coupling. |
