| 摘要 |
528,429. Puncture-repair patches. GOODMAN, L. T., WHALL. T. J., and JOHN BULL RUBBER CO., Ltd. May 8, 1939, No. 13630. [Class 144 (i)] Repair patches a are punched from sheet rubber leaving small connecting - portions a<SP>1</SP> which are severed as the individual patches are required for use.
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