C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
260/236.14, 260/
C09B 1/52 (2006.01) C09B 1/50 (2006.01) C09B 1/51 (2006.01)
Patent
CA 932724
Bien Hans-Samuel
Hohmann Walter
Wunderlich Klaus
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