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经营范围
发明名称
Extrusion machine
摘要
申请公布号
US1769205(A)
申请公布日期
1930.07.01
申请号
USD1769205
申请日期
1924.05.02
申请人
BRIDGEPORT BRASS COMPANY
发明人
CLARK WALTER R.
分类号
B21C35/02
主分类号
B21C35/02
代理机构
代理人
主权项
地址
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