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The 38th Japan Petroleum Development Association rubber-ball baseball convention was held in the Omiya kenpo ground.

Oct. 10, 2015

The 38th Japan Petroleum Development Association rubber-ball baseball convention was held in the Omiya kenpo ground and CIECO team missed 2 straight victories, but they were coming out second best! Expected to make a comeback next time.

第38回石油鉱業連盟軟式野球大会

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