| 摘要 |
452,617. Drawing-paper &c. SCHONHOLZER, H., Frauenfeld, Switzerland. Oct. 22, 1935, No. 29129. Convention date, Dec. 26, 1934. [Class 96] Drawing, tracing, or photographic paper &c. supplied in rolls has single longitudinal threads, e.g. of silk, or wires, in or on the paper at distances apart corresponding to the size of sheets to be cut. Transverse marks, e.g. on the edges, may be stamped, grooved, or punched on, or printed on, e.g. at the end of the paper-making machine, or there may be faint varnished, fat, or acid-parchmentized lines, or watermarks. The sheets mav be 841 mms. x 594 mms. or submultiples thereof. |
