| 摘要 |
An instrument case formed from modular elements which can be assembled in different multiples and sizes to obtain cases of different sizes so as to vary the capacities of the respective cases. It consists of modular elements, certain of which are standardized metal extrusions and others of which are standardized sheet metal panels, which are varied in certain dimensions in accordance with the desired size of the case. Various of these elements interfit in assembling and are retained in assembled condition by fasteners which are not visible from the front of the case.
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