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发明名称
Apparatus for forming objects by the weight thereof
摘要
申请公布号
US2792047(A)
申请公布日期
1957.05.14
申请号
US19550489372
申请日期
1955.02.21
申请人
FAGAN JOHN W
发明人
FAGAN JOHN W.
分类号
B21D1/14
主分类号
B21D1/14
代理机构
代理人
主权项
地址
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