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发明名称
Externally and internally finned tube and method therefor
摘要
申请公布号
US1777782(A)
申请公布日期
1930.10.07
申请号
US19290339033
申请日期
1929.02.11
申请人
BUNDY TUBING COMPANY
发明人
BUNDY HARRY W.
分类号
B21C37/12
主分类号
B21C37/12
代理机构
代理人
主权项
地址
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