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经营范围
发明名称
REVERSE STRESSING
摘要
申请公布号
US3554000(A)
申请公布日期
1971.01.12
申请号
USD3554000
申请日期
1968.02.05
申请人
BROOK EQUIPMENT CO.
发明人
CHARLES J. SCHWAB
分类号
B30B15/04;C21D7/02;H01R43/042;(IPC1-7):B21J9/12;B23P9/04;B23P13/04;B30B1/18;B30B1/32
主分类号
B30B15/04
代理机构
代理人
主权项
地址
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