Steel and concrete composite cofferdam convenient to retrieve

The utility model discloses a steel and concrete composite cofferdam convenient to retrieve, it includes the cofferdam main part, an operating space is enclosed into to the cofferdam main part, the cofferdam main part includes reinforced concrete wall body and the steel wall body that can dismantle...

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1. Verfasser: LI FUJI
Format: Patent
Sprache:chi ; eng
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