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S243型混砂机和JHD3505型振实台联合鉴定会已于1983年4月22日~4月21日在上海沪东造船厂召开,鉴定会分别由上海船
S243 sand mixer and JHD3505-type shaking table joint appraisal meeting was held in April 22, 1983 to April 21 in Shanghai Hudong Shipyard, appraisal will be held by the Shanghai Ship