Exchange Visits

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Invited by Rhone-Poulenc Chimie,France,aChinese delegation of Ministry of Metallurgical Indus-try visited France Sept.19-Oct.17,1992.The dele-gation,including members of Baotou Steel and RareEarth Company(BSREC),received a warm entertain-ment and visited
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At the invitation of Shanghai RareEarth Society and other institutions,Dr.Masaaki Hamano at Kanegafuchi Chemi-cal Industry Co.Ltd.,Japan,gave a ser-ties of lect