Application
18838571 · METHOD FOR PRODUCING HOLLOW FILTER ROD OF PLA FIBER
Filed 2024-08-14 · Pending The official file ↗ · Art unit 1749 · Examiner Pradeep Paudel · CPC A24D 3/0229 · CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD. · Maschoff Brennan
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