| 摘要 |
1,077,788. Reinforcement mat. W. HUFNAGL. April 8, 1965 [April 9, 1964], No. 14922/65. Heading D1K. A reinforcement mat comprises a series of parallel bars 4, 5 some of which are of greater diameter than the remainder and are so spaced that in the event of the mat being divided the spacings 1, 2, 3 of the bars at the edges of the mat will equal the spacings 6, 7, 8 of the bars from the line of division. |
