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https://store.astm.org/b0370-03.html B370 Standard Specification for Copper Sheet and Strip for Building Construction standard specification for copper sheet strip building https://store.astm.org/b0370-98.html B370 Standard Specification for Copper Sheet and Strip for Building Construction standard specification for copper sheet strip building https://open.library.emory.edu/concern/file_sets/e71d4a43-665a-4138-b370-be97abe55c33?locale=en File Set: e71d4a43-665a-4138-b370-be97abe55c33 file set