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发明名称
Pipe table
摘要
申请公布号
US1919394(A)
申请公布日期
1933.07.25
申请号
US19320604597
申请日期
1932.04.11
申请人
NATIONAL TUBE COMPANY
发明人
ROSENKRANZ MAX
分类号
B23G1/22
主分类号
B23G1/22
代理机构
代理人
主权项
地址
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