E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
E04D3/36—Connecting; Fastening
E04D3/365—Connecting; Fastening by simple overlapping of the marginal portions with use of separate connecting elements, e.g. hooks or bolts for corrugated sheets
Landscapes
Engineering & Computer Science
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Mechanical Engineering
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Architecture
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Civil Engineering
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Structural Engineering
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Developing Agents For Electrophotography
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Photoreceptors In Electrophotography
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Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography
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