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The duplex joist hanger. (1891)
Duplex Hanger Company · Duplex Hanger Company · leaf 4
FIG. 5 SIZE OFJO ISTS. … RESULTS OFTESTS S. L. 266ii 3840 5220 8520 7830 5320 7680 10440 15660 27100 E. 1330192026K>3260 3915266o38405220783o 13550 PROPERTIES OF DUPLEX JOIST HANGERS FIG. 6.Joist hangers
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