| 摘要 |
<p>1,040,517. Valves. MUELLER CO. July 12, 1965 [April 20, 1965], No. 41398/65. Divided out of 1,040,515. Heading F2V. The subject matter of this Specification is identical with that described in connection with Figs. 5-16 of the original Specification but the claims are directed to retaining and sealing the movable closure member in the body and applying line pressure to the lower end face thereof when the valve is open.</p> |
