| 摘要 |
752,841. Joint making packing. LEWYT CORPORATION. May 7, 1954 [May 7, 1953], No. 13456/54. Class 122(3) [Also. in Group XXVIII] A seal between a tub member and a hinged lid comprises a member 40 of the shape shown secured to the tub and having a part 44 engageable by the lid. Beneath the part 44 an air space 43 is formed in the member 40.
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