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发明名称
Method and apparatus for heating and forging elongated metal blanks
摘要
申请公布号
US2507817(A)
申请公布日期
1950.05.16
申请号
US19470790606
申请日期
1947.12.09
申请人
IRWIN ROPP;BLACKSTONE WILBERT S
发明人
ROPP IRWIN;BLACKSTONE WILBERT S.
分类号
B21G3/28
主分类号
B21G3/28
代理机构
代理人
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