hinged grating cover
i'm looking for the sketch or dwg that show the detail of hinged grating cover. basically, i have a ladder going down from grating floor to the slab below ( 6m high). i need to provide the grating cover the opening for the ladder. this grating cover can be lift up with hinged end.
any link or reference would be really appreciate
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发表于 2009-9-9 16:33:53
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