| 摘要 |
locksmith's work, corner sealing device. SUBSTANCE: the sealing device has a body with an identification sign consisting at least of two parts with members of mutual engagement, sealing unit and members of fixing of it relative to the body made integral with the sealing unit, located inside the body and not projecting beyond its limits. The fixing members are positioned for moving the sealing unit relative to the body, the ends of the sealing unit are brought out of the body limits, and each part of the body has its own identification sign forming a common sign of the seal at joining of these parts. EFFECT: enhanced reliability and simplified use. 4 cl, 1 dwg
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