Invention Grant
- Patent Title: Connecting means for concentric pipes
- Patent Title (中): 用于同心管的连接装置
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Application No.: US34659753Application Date: 1953-04-03
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Publication No.: US2745683APublication Date: 1956-05-15
- Inventor: NIHLEN ARVID C K
- Applicant: BROWN FINTUBE CO
- Assignee: Brown Fintube Co
- Current Assignee: Brown Fintube Co
- Priority: US34659753 1953-04-03
- Main IPC: F28F9/02
- IPC: F28F9/02 ; F28F9/10
Information query
