D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
8/78.1
D21C 9/10 (2006.01)
Patent
CA 920753
Henry H. Myburgh
Smith Leon
L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Proced Es Geo
South African Pulp And Paper Industries Limited
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