摘要 |
<p>1,082,475. Trowels. M. ARTEON. Feb. 11, 1966 [Feb. 12, 1965], No. 6146/66. Heading E1S. A smoothing trowel has a vibrator and comprises two working surfaces at an angle to one another having a common edge about which the trowel can be pivoted so that either surface may be used. One or both surfaces may be concave. The trowel may have a heater.</p> |