国内11事業所（豊岡製作所、天王製作所、本社工場、三家工場、新貝工場、常光製作所、都田製作所、中央研究所、中央研究所 産業開発研究センター、中央研究所 筑波研究センター、本社事務所）および5営業所（東京営業所、大阪営業所、仙台営業所、筑波営業所、西日本営業所）
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