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发明名称
Method of manufacturing hinge butts
摘要
申请公布号
US1830006(A)
申请公布日期
1931.11.03
申请号
US19300452859
申请日期
1930.05.16
申请人
JOSEPH SOSS
发明人
SOSS JOSEPH
分类号
B21D53/40
主分类号
B21D53/40
代理机构
代理人
主权项
地址
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