Book | Page | Context |
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1344674 15 x 7 10 40 13 20 9 1344673 15 x 7 10 42 13 21 9 1344674 15 x 8 20 39 10 21 8 1344674 ... 1344674 ... 1344674 |
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pitch 1 1344673 1951 thru 1955 H T 1956 R H T 21 teeth 33 pitch 1 1344674 1951 thru 1954 H T 1956 R H T 22 teeth 33 pitch |