STM PDF

Original standard ISO R 1911-1971 in PDF full version. Additional info + preview on request

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Original standard ISO R 192-1971 in PDF full version. Additional info + preview on request

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Original standard ISO R 193-1961 in PDF full version. Additional info + preview on request

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Original standard ISO R 1939-1970 in PDF full version. Additional info + preview on request

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Original standard ISO R 1941-1970 in PDF full version. Additional info + preview on request

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Original standard ISO R 1944-1970 in PDF full version. Additional info + preview on request

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