| 摘要 |
The locking device for a metal shutter comprises, in the extension of the lines of L-shaped supports 8 oriented opposite one another, lugs 6-7 arranged on the bars 3' of the metal frame, said bars being arranged with at least one orifice located near one of the lugs 6-7 for positioning a second locking means of the pin or padlock type and equivalent means. <IMAGE>
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