Internal Sub-pipe Joint

JP1737091SActive Publication Date: 2026-02-24MAEZAWA KASEI IND
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Patent Information

Application Number
JP2022013833D
Authority / Receiving Office
JP · JP
Patent Type
Designs
Current Assignee / Owner
Filing Date
2022-06-28
Publication Date
2026-02-24
Estimated Expiration
2047-06-28

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Abstract

The article is an internal secondary pipe joint that is attached to the inner wall surface of a manhole.
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