| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a technique of suppressing the deformation of a fuel cell case. <P>SOLUTION: The fuel cell case of an approximate rectangular parallelepiped for protecting a fuel cell comprises a prescribed surface including a section rigidity improving portion composed of a plurality of first recessions extending in a first direction along the prescribed surface and a second recession extending in a second direction almost perpendicular to the first direction to divide the first recessions. <P>COPYRIGHT: (C)2010,JPO&INPIT |
