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SU1555506A1
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Block-placing machine
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SU1567783A1
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Travelling forms
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Tunneling shield
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Shield for errecting tunnel with monolithic pressed lining
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Board for driving mine workings
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Entry-driving shield unit
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Mechanized formwork
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Travelling forms
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Travelling forms
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Worm-type formwork
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Tunneling forms
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Block-laying machine
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Block-laying machine
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End seal for formwork
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Mechanized tunnel formwork
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Forms for constructing solid inner ferroconcrete lining of tunnels
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Shiftable mechanized forms
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Method and apparatus for concreting tunnel linings
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Shiftable forms for constructing tunnel lining
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Mobile metallic formwork for constructing solid concrete support of horizontal mine workings
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