PROBLEM TO BE SOLVED: To easily support the mounting surface side of chip parts on a board without being limited by mounting area. ;SOLUTION: A surface 10B mounted with chip parts 11 and 12 is supported by a brush 32, so that a board 10 can be easily supported without corresponding to a space area in even a board 10 mounted with the parts 11 and 12 with high density. In addition, even when the positions of the parts 11 and 12 on the supporting surface 10B are changed, the board 10 can be supported by the brush 32 prepared in the same manner.;COPYRIGHT: (C)1997,JPO
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