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Masanori Kasai

BCBunka Shutter Co.: 1 patents #1 of 1Top 100%
Overall (1989): #80,732 of 140,708Top 60%
1 Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4838331 Slat opening/closing drive mechanism in shutter equipment — 1989-06-13

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Maurice S. Karpman1