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Junji Shirogane

RI Riken: 1 patents #1 of 6Top 20%
Overall (1982): #18,415 of 81,411Top 25%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4330963 Apparatus for grinding finish of piston rings Masahiko Wada 1982-05-25