| 摘要 |
The strap buckle (1) has a peripheral frame (2) with two transverse branches (2a,b) and two longitudinal branches to define a central opening. The opening has a central branch (4) to define two passages for a strap. The central branch is movably mounted on the frame (2) to allow removal and refitting. The buckle can have locking retainers for the branch.
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