| 摘要 |
1,064,392. Valves. DYNA SYSTEMS Inc. March 18, 1964 [March 19, 1963], No. 19788/66. Divided out of 1,064,391. Heading F2V. The subject-matter of this Specification is substantially the same as that described in 'Specification 1,064,391, but the claims are concerned with the construction of the electromagnetically-actuated valve. |
