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发明名称
PRETREATMENT PROCESS FOR PRODUCING SPHEROIDAL GRAPHITE IRON
摘要
申请公布号
GB1537232(A)
申请公布日期
1978.12.29
申请号
GB19740038789
申请日期
1975.12.05
申请人
MATERIALS & METHODS LTD
发明人
分类号
C21C1/10;(IPC1-7):C21C1/10
主分类号
C21C1/10
代理机构
代理人
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地址
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