| 摘要 |
<p>357,068. Tracing-cloth. SCHWICKERT AKT.-GES., R. and HUBER, O., Freiburg, Breisgau, Germany. March 2, 1931, No. 6461. Convention date, July 11, 1930. [Class 140.] In the manufacture of tracing-cloth a fabric base composed of squirted or drawn threads, such as natural or artificial silk, is used.</p> |
