Oota
Japan
2
2017-08-31
The entities that hold a legal rights for patent applications filed by inventor Kawabata Ryo:
Ryo Kawabata from Oota, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
Molten steel desulfurization method, molten steel secondary refining method, and molten steel manufacturing method
#2 | 2014-04-10Molten steel desulfurization method, molten steel secondary refining method, and molten steel manufacturing method
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