PLATFORM SYSTEM FOR GREENHOUSE ROOF

A platform system useful for constructing, maintaining, or repairing greenhouse roofs comprises a platform section providing a working area surface formed with removable treads supported on left and right platform rails. The platform section is supported by downwardly projecting upper and lower supp...

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Bibliographische Detailangaben
Hauptverfasser:	HEWLETT, DAVID C, ROSANIO, LOUIS G, VISSER, DAVID CARLTON, WOODMAN, ROBERT P, SHILDT, DAVID A, ARNOLD, PAUL J, WHITLEY, MARK JEFFERSON
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPSOR SEAWEED DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FISHING FIXED CONSTRUCTIONS FORESTRY FORMS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GUTTERS HANDLING BUILDING MATERIALS ON THE SITE HORTICULTURE HUMAN NECESSITIES HUNTING LADDERS REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS ROOF COVERINGS ROOF-WORKING TOOLS SCAFFOLDING SHUTTERING SKY-LIGHTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRAPPING WATERING
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