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1947's Plant Patent Counts
month
first
count
January
PP722
1
March
PP723
10
April
PP733
2
May
PP735
2
June
PP737
3
July
PP740
11
August
PP751
6
September
PP757
7
October
PP764
2
November
PP766
2
December
PP768
6
Total:
52
1946
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1948