| 摘要 |
A plurality of cells are disposed in close contact with each other with their longitudinal axes parallel to each other, and their electrode terminals that are juxtaposed at one end are electrically connected to each other with a connector piece. These cells thus joined together are inserted into and held within a frame body formed in one-piece with a pair of end face covers, connecting bar, and retaining piece, or alternatively, inserted into and held within a cell casing having a pair of end face covers, bottom wall, and partition boss formed integrally therewith.
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