Book sewing machine is one kind of book binding machines, by which the gathered signatures in paginal order from the collecting machine can be sewed to from book blocks.
锁将配页按页码顺序已册的书帖,通过锁制书芯的械。
Book sewing machine is one kind of book binding machines, by which the gathered signatures in paginal order from the collecting machine can be sewed to from book blocks.
锁将配页按页码顺序已册的书帖,通过锁制书芯的械。
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