| 摘要 |
The perforated spacer with a tab, designed to fit into a ring binder file, has a pack of transparent wallets welded to it to make up a file section. The wallet pack and spacer can be made from PVC, rigid or supple polypropylene, card, thermally moulded plastic, 'Balacron' (RTM) or polyethylene. The spacer measures, e.g. 245/*310 mm, with a tab 15 mm wide, while the wallets measure 220/*305 mm.
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