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发明名称
PROCESSES FOR CASTING MOLTEN METAL IN ACTIVE CARBON COATED CERAMIC SHELL MOULDS
摘要
申请公布号
US3474851(A)
申请公布日期
1969.10.28
申请号
USD3474851
申请日期
1967.01.11
申请人
MONSANTO CHEM. LTD.
发明人
PERCY RONALD TAYLOR
分类号
B22C1/16;B22C9/04;B22C23/02;(IPC1-7):B22D21/02;B22C9/00;B22D25/00
主分类号
B22C1/16
代理机构
代理人
主权项
地址
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