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发明名称
Tube manufacturing apparatus
摘要
申请公布号
US2048925(A)
申请公布日期
1936.07.28
申请号
US19330694284
申请日期
1933.10.19
申请人
DIESCHER TUBE MILLS, INC.
发明人
DIESCHER AUGUST P.
分类号
B21B19/02
主分类号
B21B19/02
代理机构
代理人
主权项
地址
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