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发明名称
Centering device for pipe threading machines
摘要
申请公布号
GB620070(A)
申请公布日期
1949.03.18
申请号
GB19460037320
申请日期
1946.12.18
申请人
LANDIS MACHINE COMPANY
发明人
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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