B1 paper size and other dimensions in the B series. B series paper sizes - B0, B1, B2, B3, B4, B5, B6, B7, B8, B9, B10, B11, B12, B13, B0+, B1+, B2+
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B Series Paper Size Explained B0, B1, B2, B3, B4, B5, B6, B7, B8, B9, B10 Paper Size