tongue and slot

Preferred label
tongue and slot
tunge og sliss
Note (en)
Note
Envelope flap fastenings in which the tongue of the envelope flap is inserted into a slot on the opposite cover.
Note (nb)
Note
lukkemekanisme for konvolutter der konvoluttens øvre del er formet som en tunge for å tres inn i en sliss i konvoluttens nedre del
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