发明申请
US20140116567A1 PIPE WITH RIB AND METHOD FOR MANUFACTURING PIPE WITH RIB 审中-公开
具有RIB的管和用于制造具有RIB的管的方法

PIPE WITH RIB AND METHOD FOR MANUFACTURING PIPE WITH RIB
摘要:
A pipe with a rib includes a pipe portion, and a rib portion formed inside the pipe portion. The rib portion includes a plurality of bent portions in accordance with bending of the pipe portion.
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