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C1047 - Standard Specification for Accessories for Gypsum Wallboard and Gypsum Veneer Base
C1177 - Standard Specification for Glass Mat Gypsum Substrate for Use as Sheathing
C1278 - Standard Specification for Fiber-Reinforced Gypsum Panel
C1325 - Standard Specification for Non-Asbestos Fiber-Mat Reinforced Cementitious Backer Units
C1396 - Standard Specification for Gypsum Board
C1629 - Standard Specification for Abuse-Resistant Nondecorated Interior Gypsum Panel Products and Fiber-reinforced Cement Panels
C1658 - Standard Specification for Glass Mat Gypsum Panels