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发明名称
Process and contrivance for producing hollow bodies by casting
摘要
申请公布号
US1971279(A)
申请公布日期
1934.08.21
申请号
US19320637655
申请日期
1932.10.13
申请人
GUNTHER SCHWIETXKE
发明人
SCHWIETXKE GUNTHER
分类号
B22D13/02
主分类号
B22D13/02
代理机构
代理人
主权项
地址
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