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发明名称
Brake
摘要
申请公布号
US2237170(A)
申请公布日期
1941.04.01
申请号
US19390265238
申请日期
1939.03.31
申请人
E. W. BLISS COMPANY
发明人
WILLIAMSON LARKIN R.
分类号
B21D5/02;B30B1/26;B30B15/28
主分类号
B21D5/02
代理机构
代理人
主权项
地址
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