shield industries, inc. roof assembly - w6x16 min. beam/ steel joists (see ia) 4367 2/5/02 scale:...
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- shield industries, inc. roof assembly - w6x16 min. beam/ steel joists (see ia) 4367 2/5/02 scale: n.t.s. 1 hour astm 19 guardian fire testing laboritor'es, inc
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Post on 03-Apr-2018
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