shelter

JP1813425SActive Publication Date: 2025-11-25NIPPON STEEL METAL PROD CO LTD
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Patent Information

Application Number
JP2025003007D
Authority / Receiving Office
JP · JP
Patent Type
Designs
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2025-11-25
Estimated Expiration
2050-02-18

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Abstract

This is a prefabricated shelter that is installed on the ground and can be used as a bunker, general warehouse, or evacuation site. By connecting liner plates with bolts in the circumferential and axial directions, it is constructed into a roughly gate-like tunnel shape with an arched roof.
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