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发明名称
A method for Casting a Spheroidal Graphite Iron Pipe
摘要
申请公布号
GB1157054(A)
申请公布日期
1969.07.02
申请号
GB19670010036
申请日期
1967.03.02
申请人
UNITED STATES PIPE AND FOUNDRY COMPANY
发明人
分类号
B22D13/02;B22D13/10
主分类号
B22D13/02
代理机构
代理人
主权项
地址
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