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发明名称
Work handling mechanism
摘要
申请公布号
US1901702(A)
申请公布日期
1933.03.14
申请号
US19310530318
申请日期
1931.04.15
申请人
ALUMINUM COMPANY OF AMERICA
发明人
COOK MARK F.;BREISCH GEORGE T.
分类号
B21B41/04
主分类号
B21B41/04
代理机构
代理人
主权项
地址
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