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发明名称
Off bearing delivery
摘要
申请公布号
US1971574(A)
申请公布日期
1934.08.28
申请号
US19330672368
申请日期
1933.05.22
申请人
ONTARIO MANUFACTURING COMPANY
发明人
MOON CHARLES R.
分类号
B21D43/20;B21D43/22
主分类号
B21D43/20
代理机构
代理人
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地址
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