JP6437601B1 - Parent-child flash type cement hole and glen hole member for hatch cover, and cement hole and glen hole structure for hatch cover using the same - Google Patents
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Acton Precast Concrete Limited
JP6437601B1 - Parent-child flash type cement hole and glen hole member for hatch cover, and cement hole and glen hole structure for hatch cover using the same - Google Patents
Skookum metal plate cover on the basement access hatch for a brownstone : r/Skookum
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Ventilation Hole In Concrete. Metal Industrial Round Ventilation Cover. Rusty And Dirty Old Round Ventilation Frame With Horizontal Metal Stripes Stock Photo, Picture And Royalty Free Image. Image 130671249.