| 摘要 |
PROBLEM TO BE SOLVED: To provide a water meter case which is light in weight and high in strength, and more specifically to provide a new rib structure on the rear surface of a lid body. SOLUTION: The water meter case is formed of a frame body and the lid body 20 openably mounted on an upper opening portion of the frame body, wherein the lid body 20 has the rib structure arranged on the rear surface thereof. The rib structure is formed by continuously connecting unit ribs 21 together, which are set up by arranging three ribs 21a to 21c like a triangular shape. COPYRIGHT: (C)2009,JPO&INPIT
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