KW

Keiichi Watabe

SC Shimizu Construction Co.: 1 patents #112 of 352Top 35%
Overall (All Time): #4,115,764 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4212565 Method and apparatus for forming a continuous row of cast-in-place piles to form a wall 1980-07-15