| 摘要 |
1513821 Hooks M SPIER R H ARBIB and T VAN GESSELL [trading as LEVELLINE PRODUCTS] 24 Feb 1976 [24 Feb 1975] 7614/75 Heading E2A A picture-hanging hook has a multiplicity of hanging positions 17 for the picture support wire 18, and has a dovetail engagement permitting horizontal sliding adjustment, with a supporting bar 14 which is nailed to the wall.
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