| 摘要 |
Stacks consisting of selected numbers of neighboring signatures are bound together by at least two rows of stitches. The thread which is used to form the rows of stitches is severed subsequent to completed assembly of a stack and following partial assembly of the next-following stack. It is preferred to assemble at least two signatures of the next-following stack prior to severing of the thread between the finished stack and the growing stack.
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