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发明名称
Method of freeing and extracting castings from molds
摘要
申请公布号
US1774082(A)
申请公布日期
1930.08.26
申请号
US19290390986
申请日期
1929.09.07
申请人
WALTER WOOD
发明人
CAMEROTA LOUIS A.
分类号
B22D13/10
主分类号
B22D13/10
代理机构
代理人
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地址
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