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Publication number (e.g. "RS 20230098")

Application number (e.g. "RS 20230098")

IPC symbol (e.g. "E01C 1/00")
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 A1 (appl. with search rep.)  A/A2 (appl. without search rep.)  A3 (search report)
 A8 (correction of the first page)  B/B1 (patents)  B2 (amended patents)
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