Keiko Nakanishi

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Patents Grantslast 30 patents

Information Patent Grant
Water purifying apparatus having moss-preventing filter and monitor...
- Patent number 5,232,582
- Issue date Aug 3, 1993
- Matsushita Electric Industrial Co., Ltd.
- Yutaka Takahashi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE