Masaru Yanagimachi

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Tochigi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Raw batches for ceramic substrates, substrates produced from the ra...
- Patent number 5,212,121
- Issue date May 18, 1993
- Mitsui Mining Company, Limited
- Takahisa Omata
- C03 - GLASS MINERAL OR SLAG WOOL