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发明名称
Cavityless casting pattern and method of making same
摘要
申请公布号
US3339620(A)
申请公布日期
1967.09.05
申请号
US19640419757
申请日期
1964.12.21
申请人
FULL MOLD PROCESS, INC.
发明人
KRZYZANOWSKI ERICH M.;SCHWEIKERT HEINZ
分类号
B22C7/02
主分类号
B22C7/02
代理机构
代理人
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地址
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