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US2009095404A1
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Adhesive application process for roof covering materials
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US5228264A
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Method of affixing rubber roofing sheets to the upper surface of a roof
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System for alleviating and reducing moisture beneath a roofing structure
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Roofing fastening device
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Irrigation system
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Device for securing roof coverings on buildings
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Bonding plate for use in rubber roof installation
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US4860513A
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Roofing fastener
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US4788807A
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Fastening plate for facilitating installation of rubber roof covering
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US4751802A
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Device for facilitating installation of rubber roof sheets
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US4747241A
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Device for facilitating installation of rubber roof sheets
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CA1190753A
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Apparatus for facilitating the cutting of grass, weeds, and similar matter in a safe manner
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US4461138A
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Hub for flexible cutting blades
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