5 1/4" X 4" (133mm X 101mm)
(incuse) JOHNS-MANVILLE {Pittsburg}
Picture courtesy Shaun Kotlarsky |
U-709B: USA
5 1/4" X 4" (133mm X 101mm)
(incuse) JOHNS-MANVILLE {Pittsburg}
Picture courtesy Shaun Kotlarsky |
U number assignment by Elton Gish
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