| 摘要 |
<p>1,224,309. Hydrants. JOHN W. STANG CORP. July 14, 1969 [Aug. 28, 1968] No.35394/69. Heading F1X. [Also in Division F2] The nozzle 10 of a water jet gun or monitor can be pointed in any direction by rotation of vertical and horizontal swivel pipe joints 12, 14 (see Division F2) using hand-wheels 35, or hydraulic, pneumatic or electric motors 34 and 34a.</p> |
