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发明名称
Tube assembling method
摘要
申请公布号
US2266796(A)
申请公布日期
1941.12.23
申请号
US19390305371
申请日期
1939.11.20
申请人
PARKER ARTHUR L
发明人
PARKER ARTHUR L.
分类号
B21D39/04;F16L19/04
主分类号
B21D39/04
代理机构
代理人
主权项
地址
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